29th Sep, 2021 10:30 GMT/BST
Scientific & Musical Instruments, Cameras & Tools
3160
A Good Collection Of Small Crookes Discharge Tubes, circa 1900-20, including a plain twist-centre; orange liquid-filled beam-centre; green-tint rose bud with plain liquid; larger blue liquid-filled with helix-centre (r); red liquid filled ball-centre (r); a smaller helix-centre with (formally red liquid encased) (r); and a plain linear-beam discharge tube filled with helium gas. (7)
Footnote: These were tested with 6000v EHT on 13th August; (r) marked tubes are retired of vacuum, the remainder showed good glow performance.
Auction: Scientific & Musical Instruments, Cameras & Tools, 29th Sep, 2021
The sale includes a host or rare musical instruments including a fine Late 18th Century Cello made by Benjamin Banks of Salisbury in 1786 and a Violin by John Frederick Lott II (1804- 1870). Juxtaposed against the fine antique instruments, five first-edition guitars by Robson Guitars are also on offer. The Scientific section of the sale features a rare 19th century mechanical calculator, a small collection of rare miners’ lamps including an example of the Davy Mining Safety Lamp and several Private Collections including vintage cameras and lenses, vintage radios, antique woodworking tools, spirit levels and more.
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Tuesday 28 September 10am-5pm and morning of sale from 8am
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