Education/demonstration model - Wood, Metal - 1920-1930 - light reflection angle meter

01
day
20
hours
19
minutes
43
seconds
Current bid
€ 35
No reserve price
Edouard Culot
Expert
Estimate  € 130 - € 200
NL
€35
NL
€30
NL
€25

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A measurement instrument from circa the 1930s, made of wood and metal, designed to precisely measure the angle of light reflection using a mirror.

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Description from the seller

An instrument to demonstrate that the angle of light reflection can be measured accurately using a mirror, from the former possession of a very old school, circa 1930.

An instrument to demonstrate that the angle of light reflection can be measured accurately using a mirror, from the former possession of a very old school, circa 1930.

Details

Era
1900-2000
Title additional information
light reflection angle meter
Number of objects
1
Material
Metal, Wood
Condition
Good condition - used with small signs of aging & blemishes
Height
6 cm
Weight
2 kg
Depth
30 cm
Width
30 cm
Estimated period
1920-1930
The NetherlandsVerified
76
Objects sold
Private

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