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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
component
4
metal mirror
4
astronomical instrument
3
mirror
3
component; mirror; flat mirror; metal mirror; astronomical instrument
2
flat mirror
2
component; metal mirror
1
component; mirror; metal mirror; astronomical instrument
1
Place
Patricroft
4
Patricroft, Salford, Greater Manchester, England, United Kingdom
4
Material
speculum (alloy of copper and tin with arsenic)
2
brass (copper, zinc alloy)
1
speculum (alloy of copper and tin)
1
speculum (bronze alloy with arsenic)
1
Date
From
To
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Speculum Metal Mirror, 1860
1860
Speculum Metal Mirror, 1840-60
1840-1860
Speculum Mirror, 1850-1870
1850-1870
Speculum Mirror, 1850-1870
1850-1870
