Stock Illustration - Rumford photometer or shadow photometer, vintage engraving

Rumford photometer or shadow photometer, vintage engraving - csp43622647

Rumford photometer or shadow photometer invented by Sir Benjamin Thompson, Count Rumford, is an instrument which measures the intensity of light comparing different light sources.

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800x493 px - 72 dpi27.9 x 15.2 cm @ 72 dpi11.0" x 6.0" @ 72 dpi$2.50
1600x986 px - 300 dpi12.7 x 7.6 cm @ 300 dpi5.0" x 3.0" @ 300 dpi$6.00
3733x2301 px - 300 dpi30.5 x 17.8 cm @ 300 dpi12.0" x 7.0" @ 300 dpi$7.00
5599x3451 px - 300 dpi45.7 x 27.9 cm @ 300 dpi18.0" x 11.0" @ 300 dpi$12.00
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Stock Illustration Information

Image ID
csp43622647
Uploaded by
gameover
Date Added
2017-01-13
Popularity
0 Downloads, 1 Views
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