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Spectroscopes
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| Spectroscope
- unsigned
Lacquered brass tubes, glass prism, cast iron circular
table (diameter 14.8 cm) on black painted cast iron
tripod base (total height 22 cm). Collimating tube with
adjustable slit. Small tube holding a graduated scale
and collimating lens. Telescope tube with draw tube
focusing.
Unsigned, but with the initials "UC" on the
telescope tube. First half 20th century?
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Spectroscope
- Leybold
Lacquered brass tubes on black painted cast iron tripod
base (total height: 30 cm). Collimating tube with adjustable
slit; tube holding a graduated scale and collimating lens;
adjustable telescope tube with rack and pinion focusing.
Covered prism table with removable top.
Signed on top "E. Leybold's Nachfolger A.G. | Cöln
- Rhein". First half 20th century? |
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Spectroscope
- unsigned
Lacquered brass tubes, nickel plated brass circular table
on black painted cast iron tripod base (total height 25
cm). Collimating tube with adjustable slit. Small tube
holding a graduated scale and collimating lens. Adjustable
telescope tube with draw tube focusing. Prism table with
removable cover.
Unsigned, first half 20th century? |
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Hand
spectroscope - R&J Beck
Lacquered brass Thorp's diffraction grating replica hand
spectroscope (length 11.4 cm) and his cylindrical cardboard
case.
Signed R&J. Beck LTD, ca 1930.
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Hand
spectroscope - Huet, Paris
Nickel plated brass and oxidized brass wavelength direct-vision
hand spectroscope (length 9.5 cm, accessory tube 5.5 cm)
and its blue plush-lined leather-covered case.
Signed "Huet | Paris | 28634", ca 1930.
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Hand
spectroscope - Car Zeiss, Jena
Nickel platted brass and oxidized brass hand spectroscope
(length 10 cm) and its dark blue plush-lined leather-covered
case.
Signed "Carl Zeiss | Jena | Nr 21200", ca 1930.
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