CARNARVON TRADERS

The Repository of all Things Historical for the Ancient Welsh Town of Carnarvon

  Castle Square, Carnarvon. Published by Williams & Hughes, Bridge Steet, 1850


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SLATE PROPRIETORS (& MERCHANTS)


1835

Thomas Cane - Penrorsedd
Richard Garnons - Pen y Bryn Quarries
Rundel & Co. - Talsarn Quarries
Edwin Shelton
Thomas Assheton Smith Esq. - Llanberis
Turner & Morgans - Dorothea Quarries
William Turner Jun. - Market Street


1840

Edward Brotherton (Agent - Cefn Du Quarry Company) - Quay
T. Cane Esq. (Proprietor - Nantlle Quarry) - Newborough Street
Mr. T. B. Davids (Agent & Manufacturing Proprietor - Pen-y-Bryn Quarries) - Quay
Richard Havers (Agent - Talysarn Quarry Company) - Quay
Griffith Jones (Agent - Moeleilian Quarry) - 17 Segontium Terrace
William Jones (Agent - Cilgwyn Quarry) - Quay
Sir John Kennaway Bart., Kingscote Smith, T. B. Davids & Co. (Proprietors - Pen-y-Bryn Quarries) - Quay
Morgan & Turner (Proprietors - Dorothea Quarries) - Quay
George A. Musket Esq. M.P. (Proprietor - Cilgwyn Quarry) - Quay


1844

Thomas Cane - Penrorsedd
William Harding (Slate Merchant) - Segontium Terrace
Owen Jones (Agent, Cilgwyn Slate Quarry Company, Cilgwyn) - Slate Quay
Moel Tryfan & Penybryn Company - Slate Quay
Rundel & Co. - Tuesarn Quarries (Talysarn?)
Thomas Assheton Smith Esq. (Dinorwic Slate Quarry) - Llanberis
Tal y sarn Slate Quarry Company - Slate Quay
Turner & Morgan - Dorothea Quarries
William Turner Jun. (Slate Merchant) - Market Street


1846

Pen-y-bryn Slate Company - Slate Quay
Talysarn Slate Company - Slate Quay


1850

Miss Cane - Pen y Rosedd
Dorothea Slate Company - Slate Quay
John Whitebread Greaves - Glynrhonwy, Llanberis (Should be Whitehead)
William Harding - Segontium Terrace
John Horn - Ty Mawr Quarry
Llanberis & Drws y Coed Mining Company - Slate Quay
Moel Tryfan & Pen y Bryn Company - Slate Quay
William Parry (Merchant) - Slate Quay
Thomas Assheton Smith Esq. - Port Dinorwig & Quarry, Llanberis
Tal y Sarn Slate Quarry Company - Slate Quay
William Turner Jun. (Merchant) - St. Helen's Cottage


1853

Miss Cane - Pen y Rosedd
Dorothea Slate Company - Slate Quay
John Whitebread Greaves - Glynrhonwy, Llanberis (Should be Whitehead)
William Harding - Segontium Terrace
John Horn - Ty Mawr Quarry
Llanberis & Drws y Coed Mining Company - Slate Quay
Moel Tryfan & Pen y Bryn Company - Slate Quay
William Parry (Merchant) - Slate Quay
Thomas Assheton Smith Esq. - Port Dinorwig & Quarry, Llanberis
Tal y Sarn Slate Quarry Company - Slate Quay
William Turner Jun. (Merchant) - St. Helen's Cottage


1856

John Whitebread Greaves - Glynrhonwy, Llanberis (Should be Whitehead)
John Hayward (Resident Manager - Cilgwyn Slate Co.) - Slate Quay
John Horn - Ty Mawr Quarry
John Lloyd Jones (Agent - Dorothea Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Pen yr Orsedd Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Vron Slate Quarry)
William Parry (Merchant) - Slate Quay
Pen y Bryn Co. - Slate Quay
Roberts, Griffiths & Co. - Penmorfa Slate Works
Thomas Assheton Smith Esq. - Port Dinorwig & Quarry, Llanberis
Talysarn Slate Quarry Co. - Slate Quay
William Turner (Merchant) - Segontium Terrace


1858

John Whitebread Greaves - Glynrhonwy, Llanberis (Should be Whitehead)
John Hayward (Resident Manager - Cilgwyn Slate Co.) - Slate Quay
John Horn - Ty Mawr Quarry
John Lloyd Jones (Agent - Dorothea Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Pen yr Orsedd Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Vron Slate Quarry)
William Parry (Merchant) - Slate Quay
Pen y Bryn Co. - Slate Quay
Roberts, Griffiths & Co. - Penmorfa Slate Works
Thomas Assheton Smith Esq. - Port Dinorwig & Quarry, Llanberis
Talysarn Slate Quarry Co. - Slate Quay
William Turner (Merchant) - Segontium Terrace


1859

John Whitebread Greaves - Glynrhonwy, Llanberis (Should be Whitehead)
John Hayward (Resident Manager - Cilgwyn Slate Co.) - Slate Quay
John Horn - Ty Mawr Quarry
John Lloyd Jones (Agent - Dorothea Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Pen yr Orsedd Slate Co.) - Slate Quay
John Lloyd Jones (Agent - Vron Slate Quarry)
William Parry (Merchant) - Slate Quay
Pen y Bryn Co. - Slate Quay
Roberts, Griffiths & Co. - Penmorfa Slate Works
Thomas Assheton Smith Esq. - Port Dinorwig & Quarry, Llanberis
Talysarn Slate Quarry Co. - Slate Quay
William Turner (Merchant) - Segontium Terrace


1868

Wallace W. Cragg (Resident Director - Glynrhonwy Slate Co. Limited) - Castle Ditch & Glyn Padarn
W. A. Darbishire (Managing Director - Pen yr Orsedd Slate Quarry Co. Limited) - Slate Quay
Smith W. Davids (Agent - Pen y Bryn Slate Co.) - Slate Quay
Cornelius Davies (Agent - Dorothea Slate Co.) - Slate Quay
Thomas Harvey (Manager - Dorothea West Slate Co.) - 9 Segontium Terrace
Thomas Harvey (General Manager - Prince of Wales Slate Co.) - 9 Segontium Terrace
William Hayward (Managing Partner - Cilgwyn Slate Co.) - Slate Quay
Robert Humphreys (Agent - Moel Tryfan Slab & Slate Quarry) - Slate Quay
John P. Jones (Sub-manager - Dorothea West Slate Co.) - 9 Segontium Terrace
R. Laird (Agent - Carnarvon & Bangor Slate Co. Limited) - Slate Quay
Robert Laird (Agent - British Slate Co. Limited) - Slate Quay
Francis Marr (Secretary - Snowdon Slate Quarry Co. Limited) - Slate Quay
Thomas Owen (Merchant) - Slate Quay
Charles Pearson (Manager - Moel Tryfan Slab & Slate Quarry) - Slate Quay
John Roberts (Local Manager - Prince of Wales Slate Co.) - 9 Segontium Terrace
Roberts, Griffiths & Co. (Merchants) - Glanmorfa
John W. Stephens - Uxbridge Square
Thomas Turner (Agent - Braich Rhydd Slate Co.) - Slate Quay
Thomas Turner (Agent - Fronhaulog Slate Co. Limited) - Slate Quay
Thomas Turner & Co. - Slate Quay
Hugh Williams (Sub-manager - Glynrhonwy Slate Co. Limited) - Castle Ditch & Glyn Padarn


1874

Captain Wallace W. Cragg (Resident Director - Glynrhonwy Slate Co. Limited) - Slate Quay
W. A. Darbyshire (Managing Director - Pen yr Orsedd Slate Quarry Co. Limited) - Slate Quay
Smith W. Davids (Agent - Pen y Bryn Slate Co.) - Slate Quay
Cornelius Davies (Agent - Dorothea Slate Co.) - Slate Quay
William Hayward (Managing Partner - Chwarel Fawr Slate Co. Limited) - Slate Quay
William Hayward (Managing Partner - Cilgwyn Slate Co.) - Slate Quay
Robert R. Humphreys (Merchant) - Slate Quay
Robert R. Humphreys (Agent - Moel Tryfan Slab & Slate Quarry) - Slate Quay
John D. Jones (Agent - Upper Glynrhonwy Slate Quarry Co.) - Slate Quay
Francis Marr (Secretary - Snowdon Slate Quarries Co. Limited) - Slate Quay
R. Newton & Co. (Merchants) - 17 Castle Square
Charles Pearson (Manager - Moel Tryfan Slab & Slate Quarry) - Slate Quay
W. D. Potter (Agent - Carnarvonshire Slate Co.) - Slate Quay
Ellis Roberts (Agent - Braich Slate Quarry Co.) - Slate Quay
Ellis Roberts & Co. (Merchants) - Slate Quay & Port Dinorwic
Roberts, Griffiths & Co. (Merchants) - Glanmorva
John W. Stephens - Uxbridge Square
William Turner (Merchant) - Slate Quay
Thomas White (Coed Madog Slate Co. Limited) - North Road
Thomas White - North Road
Griffith Williams (Agent - British Slate Co. Limited) - Slate Quay
Griffith Williams (Agent - Talysarn Slate Co.) - Slate Quay


1876

W. A. Darbyshire (Managing Director - Pen-yr-Orsedd Slate Quarry Co.) - Slate Quay
Smith W. Davids (Agent - Pen-y-Bryn Slate Co.) - Slate Quay
Cornelius Davies (Agent - Dorothea Slate Co.) - Slate Quay
William Hayward (Managing Partner - Chwarel Fawr Slate Co. Limited) - Slate Quay
William Hayward (Managing Partner - Cilgwyn Slate Co.) - Slate Quay
Robert R. Humphreys (Agent - Moel Tryfan Slab & Slate Quarry) - Slate Quay
John D. Jones (Agent - Upper Glynrhonwy Slate Quarry Co.) - Slate Quay
R. Newton & Co. (Merchants) - 17 Castle Square
W. G. Owen (Merchant) - 6 High Street
Charles Pearson (Manager - Moel Tryfan Slab & Slate Quarry) - Slate Quay
William Potter (Manager - Tanyrallt Slate Co.)
W. D. Potter (Agent - Carnarvonshire Slate Co.) - Slate Quay
Ellis Roberts (Agent - Braich Slate Quarry Co.) - Slate Quay
Ellis Roberts & Co. (Merchants) - Slate Quay
Roberts, Griffiths & Co. (Merchants) - Glanmorva
Snowdon Slate Quarries Co. Limited - Slate Quay
John W. Stephens - Uxbridge Square
William Turner (Merchant) - Slate Quay
Captain Wallace (Resident Director - Glynrhonwy Slate Co. Limited) - Slate Quay
Thomas White - North Road
Griffith Williams (Agent - British Slate Co., Limited) - Slate Quay
Griffith Williams (Agent - Tal-y-Sarn Slate Co.) - Slate Quay
W. R. Williams F. G. S. (Engineer - Vronheulog Slate Quarry Co.)


1878

(Cassey)

W. A. Darbyshire (Managing Director - Pen-yr-Orsedd Slate Quarry Co.) - Slate Quay
Smith W. Davids (Agent - Pen-y-Bryn Slate Co.) - Slate Quay
Cornelius Davies (Agent - Dorothea Slate Co.) - Slate Quay
William Hayward (Managing Partner - Chwarel Fawr Slate Co. Limited) - Slate Quay
William Hayward (Managing Partner - Cilgwyn Slate Co.) - Slate Quay
Robert R. Humphreys (Agent - Moel Tryfan Slab & Slate Quarry) - Slate Quay
John D. Jones (Agent - Upper Glynrhonwy Slate Quarry Co.) - Slate Quay
R. Newton & Co. (Merchants) - 17 Castle Square
W. G. Owen (Merchant) - 6 High Street
Charles Pearson (Manager - Moel Tryfan Slab & Slate Quarry) - Slate Quay
William Potter (Manager - Tanyrallt Slate Co.)
W. D. Potter (Agent - Carnarvonshire Slate Co.) - Slate Quay
Ellis Roberts (Agent - Braich Slate Quarry Co.) - Slate Quay
Ellis Roberts & Co. (Merchants) - Slate Quay
Roberts, Griffiths & Co. (Merchants) - Glanmorva
Snowdon Slate Quarries Co. Limited - Slate Quay
John W. Stephens - Uxbridge Square
William Turner (Merchant) - Slate Quay
Captain Wallace (Resident Director - Glynrhonwy Slate Co. Limited) - Slate Quay
Thomas White - North Road
Griffith Williams (Agent - British Slate Co., Limited) - Slate Quay
Griffith Williams (Agent - Tal-y-Sarn Slate Co.) - Slate Quay
W. R. Williams F. G. S. (Engineer - Vronheulog Slate Quarry Co.)


1880

Thomas Colliver (Manager - Treflan Quarry Co. Limited) - Llanbeblig
W. A. Darbishire (Managing Director - Pen-yr-Orsedd Slate Quarry Co. Limited) - Slate Quay
Smith W. Davids (Managing Partner - Cloddfa'r Lon Slate Quarry Co.)
Smith W. Davids (Shipping Agent - Pen-y-Bryn Slate Co.) - Slate Quay
Cornelius Davies (Agent - Dorothea Slate Quarry Co.) - Slate Quay
Robert Ellis - Slate Quay
George Farren C. E. (Manager - Welsh Granite Co. Limited) - Trefenai, North Road
Thomas Field - Castellmai
John Fraser - Mount Pleasant Villa, Twthill
William Hayward (Managing Partner - Cilgwyn Slate Quarry Co.)
Hugh Jones & Co. - Slate Quay
John Morgan Jones (Deputy Manager - Treflan Quarry Co. Limited) - Llanbeblig
Owen Jones & Co. - Slate Quay
John Menzies (Manager - Alexandra Slate Co. Limited) - 16 North Road
Robert Newton (Secretary - Cambrian Granite Co. Limited) - Castle Square
Robert Newton & Co. (Supply Penrhyn, Dinorwic & Carnarvon Slates) - Castle Square
Ogilby, Moore & Co. (Owners - Arvonia Slate Quarry Co.) - Brunswick Buildings
Ogilby, Moore & Co. (Agents - Eryri Slate Quarry Co. Limited) - Brunswick Buildings
John Owen - Slate Quay
Hugh Pugh & Co. (Proprietors - Moel Tryfan Slate & Slab Quarry Co.) - Slate Quay
William Turner - Slate Quay
Thomas White - North Road
Griffith Williams - Slate Quay
Griffith Williams (Secretary & Manager - Moel Tryfan Slate & Slab Quarry Co.) - Slate Quay
Charles Wise - 18 Thomas Street


1885

Cilgwyn Slate Co. - Cilgwyn Quarry
Pen-yr-orsedd Slate Quarry Co.
Coed Madoc Slate Quarry Co.
Dinorwic Quarry
Dorothea Slate Quarry Co.
Glynrhonwy Slate Quarry Co.
Moel Tryfan Slate Quarry Co.
R. Newton & Co.
Penybryn Slate Co.
Penyrorudd Slate Quarry Co.
Talysarn Slate Quarry Co.


1886

Alexandra Slate Co. - Slate Quay
Cilgwyn - Slate Quay
Dorothea Slate Office - Slate Quay
George Farren - North Road
G. Williams Slate Co. - Slate Quay
Glanrafon Slate Quarry Co. - North Road
Glynrhonwy Quarry - North Road
Griffiths & Co. - Glanmorfa
Griffith Jones - South Penrallt
Hugh Jones & Co. - St. Helen's Road
Moeltryfan Co. - Slate Quay
Robert Newton & Co. - Castle Square
John Owen & Co. - Slate Quay
Pen y Bryn Slate Co. - Castle Hill
Pen yr Orsedd Slate Office - Slate Quay
S. Dorothea Slate Quarry Co. - Slate Quay
Talysarn Quarry Co. - Slate Quay
Upper Glynrhonwy Slate Co. - Slate Quay
Vron & Old Braich Welsh Slate Quarries Co. - Slate Quay
Thomas White - Slate Quay
Robert Williams - Dinorwic Street


1889

C. O. Aspinwall (Manager - New Vronheulog Slate Co. Limited) - Slate Quay
Bangor & Carnarvon Slate Co. - Slate Quay & at Nantlle
G. Barrack (Agent - Llanberis Slate Co.) - Slate Quay & at Llanberis
Braich Slate Co. - Slate Quay & at Nantlle
Coed Madoc Slate Co. - Slate Quay & at Nantlle
W. A. Darbyshire (Manager - Penyrorsedd Slate Quarry Co.) - Slate Quay & at Nantlle
William Davies (Secretary - Moletryfan Slate & Slab Quarry Co. Limited) - Slate Quay & at Upper Llandwrog
Glanrafon Slate Quarry Co. (Blue "Old Vein" Festiniog or Port Madoc slates) - Bank Quay
Glynrhonwy Slate Quarry Co. Limited - Slate Quay
John Menzies (Manager - Alexandra Slate Co. Limited) - Slate Quay
O. Roberts (Agent - Cilgwyn Slate Co. Limited) - Slate Quay & at Nantlle
John Robinson (Manager - Talysarn Slate Quarry Co.) - Slate Quay & at Nantlle
Upper Glynrhonwy Slate Co. - Slate Quay & at Llanberis
Griffith Williams (Manager & Secretary - South Dorothea Slate Quarry Co.) - Slate Quay & at Nantlle
Griffith Williams (Manager & Secretary - Vron & Old Braich Welsh Slate Quarries Co. Limited) - Slate Quay & at Nantlle
John Williams & Co. (Dorothea Slate Co.) - Slate Quay & at Penygroes


1895

Alexandra Slate Co. Ltd. - Slate Quay
Cilgwyn Slate Co. - Slate Quay
Dorothea Slate Quarry Co. Ltd. - Slate Quay
Glanrafon Slate Quarry Co. - Bank Quay
Glynrhonwy Slate Quarry Co. Ltd. - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay
The New Vronheulog Slate Co. Ltd. - Slate Quay
Penyrorsedd Slate Quarry Co. Ltd. - Slate Quay
John Robinson - Slate Quay
South Dorothea Slate Quarry Co. - Slate Quay
Upper Glynrhonwy Slate Co. Ltd. - Slate Quay


1899

Alexander Slate Co. Ltd - Slate Quay
Cilgwyn Slate Co. Ltd.
Cook & Odol - Castle Square
D. Jones (Manager - Moeltryfan Slate & Slab Quarry Co. Ltd.) - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
G. Williams (South Dorothea Slate Quarries)
Talysarn Slate Co. - The Quay
Upper Glynrhonwy Slate Co.
J. Williams & Co. Ltd. (Dorothea Office)


1901

Alexandra Slate Co. Ltd. - Slate Quay
Bangor & Carnarvon Slate Co. - Slate Quay & Nantlle
Braich Slate Co. Ltd. - Slate Quay & Nantlle
Cilgwyn Slate Co. Ltd. - Slate Quay & Nantlle
Coed Madoc Slate Co. - Slate Quay & Nantlle
Gala Slate Co. - Slate Quay
Glynrhonwy Slate Quarry Co. Ltd. - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay & Upper Llandwrog
New Vronheulog Slate Co. Ltd. - Slate Quay
Penyrorsedd Slate Quarry Co. Ltd. - Slate Quay
South Dorothea Slate Quarry Co. (W. D. Williams - Manager) - Slate Quay & Nantlle
Talysarn Slate Quarry Co. - Slate Quay & Nantlle
United Quarries Ltd. - Slate Quay
Upper Glynrhonwy Slate Co. - Slate Quay


1903

Alexandra Slate Co. Ltd. - Slate Quay
Cilgwyn Slate Co. Ltd. - Slate Quay (& at Nantlle)
Coed Madoc Slate Co. - Slate Quay (& at Nantlle)
Gala Slate Co. - Slate Quay
Glynrhonwy Slate Quarry Co. Ltd. (F. Turner - General Manager) - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay (& at Upper Llandwrog)
New Vronheulog Slate Co. Ltd. - Slate Quay
Penyrorsedd Slate Quarry Co. Ltd. - Slate Quay
South Dorothea Slate Quarry Co. (W. Edward Williams - Secretary) - Slate Quay
Talysarn Slate Quarry Co. - Slate Quay (& at Nantlle)
United Quarries Ltd. (F. Turner - Managing Director) - Slate Quay
Upper Glynrhonwy Slate Co. - Slate Quay


1910

Alexander Slate Co. Ltd. - Slate Quay
Anglo-Welsh Slate Co. - The Quay
Cilgwyn Slate Co. Ltd. - The Quay
Coedmadoc Slate Co. Ltd. - The Quay
Dorothea Slate Quarries - The Quay
Gwalia Slate Co. - Eastgate Street
Llanberis Slate Co. Ltd - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - The Quay
New Braich Slate Quarries Ltd. - The Quay
Pen-yr-Orsedd Slate Quarry Co. Ltd. - The Quay
South Dorothea Slate Quarries - The Quay
Talysarn Slate Co. - The Quay
The Old Penybryn Slate Quarries Ltd. - Eastgate Street
The Welsh Green Slate Quarries Ltd. - Eastgate street

1912

(TDL)

Alexandra Slate Co. Ltd. - Slate Quay
Cilgwyn Slate Co. Ltd. - Slate Quay (& at Nantlle)
Dorothea Slate Co. - Slate Quay
Gwalia Slate Co. - Lloyds Bank Chambers
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay (& at Upper Llandwrog)
New Vronheulog Slate Co. Ltd. - Slate Quay
Old Penybryn Slate Co. (Daniel Evans - Agent) - Lloyds Bank Chambers
Penyrorsedd Slate Quarry Co. Ltd. - Slate Quay
Talysarn Slate Quarry Co. - Slate Quay (& at Nantlle)
Upper Glynrhonwy Slate Co. - Castle Chambers, Castle Square


1917

Abergynolwyn Slate & Slab Co. Ltd.
Cilgwyn Slate Co. Ltd. - Slate Quay (& at Nantlle)
Dinorwic Slate Quarries
Dorothea Slate Quarry Co. Ltd. - Slate Quay
Gwalia Slate Co. - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay (& at Upper Llandwrog)
New Braich Slate Quarries Ltd. - Slate Quay
New Vronheulog Slate Co. Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Talysarn Slate Quarry Ltd. - Slate Quay (& at Nantlle)
Upper Glynrhonwy Slate Co. - Castle Chambers, Castle Square
Welsh Green Slate Quarries Ltd.


1918

Abergynolwyn Slate & Slab Co. Ltd.
Cilgwyn Slate Co. Ltd. - Slate Quay (& at Nantlle)
Dinorwic Slate Quarries
Dorothea Slate Quarry Co. Ltd. - Slate Quay
Gwalia Slate Co. - Slate Quay
Llanberis Slate Co. Ltd. - Slate Quay
Moeltryfan Slate & Slab Quarry Co. Ltd. - Slate Quay (& at Upper Llandwrog)
New Braich Slate Quarries Ltd. - Slate Quay
New Vronheulog Slate Co. Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Talysarn Slate Quarry Ltd. - Slate Quay (& at Nantlle)
Upper Glynrhonwy Slate Co. - Castle Chambers, Castle Square
Welsh Green Slate Quarries Ltd.


1923

John Fletcher Ltd. - The Quay
Gwalia Slate Co. - Slate Quay
Moeltrfyan Slate Quarry Co.
J. Paull - Slate Quay
Treflan Slate & Granite Co. Ltd. - Slate Quay
J. Williams & Co. (Dorothea Slate Quarries) - The Quay


1927

Abergynolwyn Slate & Slab Co. Ltd.
Amalgamated Slate Association Ltd. - Slate Quay
Dorothea Slate Quarry Co. Ltd. - Slate Quay
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Co. Ltd. - Slate Quay
A. H. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1928

Abergynolwyn Slate & Slab Co. Ltd.
Amalgamated Slate Association Ltd. - Slate Quay
Dorothea Slate Quarry Co. Ltd. - Slate Quay
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Co. Ltd. - Slate Quay
A. H. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1929

Abergynolwyn Slate & Slab Co. Ltd.
Amalgamated Slate Association Ltd. - Slate Quay
Dorothea Slate Quarry Co. Ltd. - Slate Quay
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Co. Ltd. - Slate Quay
A. H. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1930

Abergynolwyn Slate & Slab Co. Ltd.
Amalgamated Slate Association Ltd. - Slate Quay
Dorothea Slate Quarry Co. Ltd. - Slate Quay
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Co. Ltd. - Slate Quay
A. H. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1932

Treflan Slate & Granite Co. Ltd. - Slate Quay


1933

(TDL)

Abergynolwyn Slate & Slab Co. Ltd.
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
A. H. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1933

(Cope)

Treflan Slate & Granite Co. Ltd. - Slate Quay


1935

(TDL)

Abergynolwyn Slate & Slab Co. Ltd.
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
G. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1935

(Cope)

Treflan Slate & Granite Co. Ltd. - Slate Quay


1936

(TDL)

Abergynolwyn Slate & Slab Co. Ltd.
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
G. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1936

(Bennett)

Amalgamated Slate Association Ltd. (G. H. Richards - Secretary) - Bangor Street
Caernarvonshire Crown Slate Quarries Co. Ltd. - The Quay
Dorothea Slate Quarry Co. Ltd. - Bangor Street
Pen-yr-Orsedd Slate Quarry Co. Ltd. - The Quay
Rhos Slate Quarry Co. (Capel Curig) Ltd. - The Quay
Vronlog Green Slate Quarries Ltd. - Slate Quay


1936

(Cope)

Treflan Slate & Granite Co. Ltd. - Slate Quay


1937

Abergynolwyn Slate & Slab Co. Ltd.
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove Chambers
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
G. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1942

Abergynolwyn Slate & Slab Co. Ltd
Glanmorfa Slate Works Co. - Glanmorfa
New Braich Slate Quarries Ltd. - Slate Quay
Old Penybryn Slate Quarries Ltd. - Grove chambers
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
G. Richards - Bangor Street
Welsh Green Slate Quarries Ltd.


1948

Abergynolwyn Slate & Slab Co. Ltd
Glanmorfa Slate Works Co. - Glanmorfa
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay
G. Richards - Bangor Street
J. Riley - Slate Quay


1965

Cawood, Wharton & Co. Ltd. - 2 Slate Quay
Pen-yr-Orsedd Slate Quarry Co. Ltd. - Slate Quay

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