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Model Walschaert's Valve Gear

Model of locomotive valve gear, 1893

1893

Model of Locomotive Valve Gear, 1893

1893

Model of Locomotive Valve Gear, 1893.

1893

Model of locomotive valve gear, 1893

1893

Model of Locomotive Valve Gear, 1893.

1893

Walschaerts radial valve motion (right hand side) from 0-4-4-0T double Fairlie locomotive 'Snake', No. 238 Class 'B', built by Avonside Engine Co., Bristol, 1874 for Otago Provincial Council, New Zealand, believed to be one of the first locomotives to be built in Great Britain with Walschaert's valve gear, after a boiler accident in c.1881 the valve gear and cylinders were incorporated into a steam crane.

Walschaert's valve gear from double Fairlie locomotive

1874

Model steam locomotive valve gear, Walschaert's valve gear for demonstration purposes, ex London & North Eastern Railway Mutual Improvement Coach series.

walschaert's valve gear

Model steam locomotive valve gear, approx. 1/4 scale, Gresley's conjugated, chain-driven demonstration model.

Model Gresley's valve gear

Model steam locomotive valve gear, Stephenson's valve gear for demonstration purposes, ex York depot North Eastern Railway 1903.

Stephenson's valve gear, North Eastern Railway

Model steam locomotive valve gear, Stephenson's, made by J Turner, 1913, rebuilt by Bill Art, 1924, ex Bricklayers Arms Mutual Improvement Class, 1913, formerly the property of Engineering Inspector G Russell.

model stephensons valve gear

1913

Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester", sectioned. Reversing cardan shaft shortened for display purposes. including inlet and exhaust valves and small assocaited parts

Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester"

Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.

Valve Gear, Great Western Railway

Small associated part from the Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester", sectioned. Reversing cardan shaft shortened for display purposes.

Small Associated Component for the Caprotti Valve Gear

Valve gear, Great Western Railway, from broad gauge locomotive "Lord of the Isles".

Broad gauge valve gear, Great Western Railway

Iron pieces bolted together. One flange attached to curved thin metal with rounded triangular attachment at one end. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

L-shaped iron bar bent twice at one end, with another flat iron bar bolted to the side. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Iron bar with rounded hole in centre and two T shapes at either end. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Wooden strip with iron bar bolted to one end. Wood tapers at one end. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Iron bar bent at roughly 45 degrees. Wood broken at other end. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Model of locomotive valve gear, 1893

1893

Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.

Valve Gear, Great Western Railway

Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.

Valve Gear, Great Western Railway

Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester", sectioned. Reversing cardan shaft shortened for display purposes.

Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester"

Sectioned model of Walschaert's steam locomotive valve gear, approx, 1/4 scale, wooden base, in poor condition.

Sectioned Walschaert's Valve Gear

Model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Wooden strip with iron bar bolted to one end. Broken at other end. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Model of locomotive valve gear, 1893

1893

Multiple iron bars bolted together. Bowed section contains ruler adjustable with wing nut. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Iron bar with rounded hole in centre and two T shapes at either end. Protruding sides. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Three rounded iron bars bolted together, one with rectangular wood framed with tin. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

One long round iron bar with triangular iron parts bolted roughly in the centre. Part of model locomotive valve gear, Stephensons, 1:1 scale, used at Great Northern Railway Doncaster Works Locomotive Drawing office, all parameters adjustable to enable optimum valve-event design, by Neilson & Co, Glasgow, 1893.

Model of locomotive valve gear, 1893

1893

Model of locomotive valve gear, 1893

1893

Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.