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Putting names to faces in the Challenger Expedition archives
Dr Rebecca Martin investigates the photograph albums from the Challenger Expedition, trying to recover the identities of the people the ship encountered on its global voyage
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Assorted screws and bolts
astronomical t&e: photoheliograph
Base
base and 5 bolts
Box
Camera part
Connecting rod
Counterweight
Declination axis
Declination handle
documentary artifact: photonegative
Eyepiece, telescope
Handle for camera part
Lens
Level
Negative enlarging lens
Object glass
Part of object glass
Part of shutter mechanism?
Part of view finder?
Photoheliograph
photoheliograph
photoheliograph; right ascension drive
Photonegative
Photopositive
Plateholder
Plateholder part
Right ascension axis
right ascension drive
right ascension handle
right asscension drive
Shutter
Spare part of declination axis
Stand
Telescope
Telescope eyepiece
Unfinished camera part
Winding handle
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Materials
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Materials
Materials
brass
glass
glass & metal, wooden box, paper label
inorganic: glass
inorganic: plastic, glass
leather
metal
organic: leather
plastic sheet
wood
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Dallmeyer
Dallmeyer, J. H.
Jansen
Janssen
Janssen, J
Unknown
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London
Unknown
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Events
Events
Transit of Venus, 1874
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People
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Airy, George Biddell
Dallmeyer, J. H.
Janssen, Pierre Jules Cesar
Royal Greenwich Observatory
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Century
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Century
Century
19th
unknown
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1841
1860
1873
1874
1878
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1861
1873
1874
1880
1898
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Dallmeyer
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showing 51 objects results
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Finding reference (desc)
Base
Declination handle
Dallmeyer No. 3 (Photoheliograph)
Counterweight
Counterweight
Spare part of declination axis
Counterweight
right asscension drive
Part of object glass
Counterweight
right ascension handle
Plateholder
Right ascension axis
Camera part
Part of view finder?
Counterweight
Spare part of declination axis
Handle for camera part
Counterweight
Counterweight
Plateholder part
Negative enlarging lens
Part of shutter mechanism?
Box
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