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Prism

Details

Artifact no.
1988.0693.001
Manufacturer
Bausch & Lomb Optical Co.
Manufacturer Location
Rochester, New york, United States of America
Manufactured Date
Circa 1900
Context Function
USED IN PHOTO-ENGRAVING TO REVERSE THE IMAGE FORMED BY LENS, MAKING IT USEFUL IN MAKING PHOTO COPIES OF TEXT MATERIALS, SCALES, DRAWINGS, ETC.
Description
METAL HOUSING, GLASS LENS, CARDBOARD BOX
Number of Parts
1
Artifact Finish
HOUSING BLACK, CLEAR GLASS LENSES, WHITE PRINT, BOX BROWN WITH GOLD PRINT
Artifact Markings
CENTERED ON BACK, BETWEEN CIRCLES: 'BAUSCH & LOMB OPTICAL CO./ ROCHESTER, N.Y.'; WITHIN THREE SIDES OF PRISM: 'B-L', 'Z', 'S'; SAME ON LID OF BOX
Artifact Decoration
CENTERED ON BACK: TWO CIRCLES, ONE WITHIN THE OTHER, INSIDE THIS WHAT LOOKS LIKE A PRISM FROM ABOVE
Artifact Missing
NONE
Group 1
Photography
Category 1
Still camera accessories
Subcategory 1
Optic accessories
Group 2
Physics
Category 2
Light & electromagnetic radiation
Subcategory 2
Optics
Material
metal->;glass->;paper->cardboard
Length
16.0 cm
Width
12.0 cm