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Locomotion
National Railway Museum
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Image
Has Image
4
Non-Commercial Use
4
Category
Astronomy
4
Maker
James Hall Nasmyth
4
Nasmyth, James
4
Object type
astronomical instruments
3
components
3
metal mirrors
3
components; metal mirrors; astronomical instruments
2
component
1
component; metal mirror
1
components; flat mirrors; metal mirrors; astronomical instruments
1
flat mirrors
1
metal mirror
1
Place
Patricroft
4
Patricroft, Salford, Greater Manchester, England, United Kingdom
3
Patricroft, Salford,Greater Manchester, England, United Kingdom
1
Material
speculum (bronze alloy with arsenic)
4
pitch
1
Date
From
To
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Speculum Metal Mirror, 1850-70
1850-1870
Speculum Metal Mirror, 1840-60
1840-1860
Speculum Metal Mirror, 1840-60
1840-1860
Speculum Mirror, 1861
1861