Object ID:
2007.29.23
Title:
English braille 12" ruler
Creator:
American Printing House for the Blind
Description:
English braille 12" ruler; black plastic; main body is .25" thick, tapers on one edge to 1/16" thick; graded in eighths, marked in braille on whole inches; sliding plated caliper guide with hand soldered "prototype" look; "APH" logo in circle cast in middle of obverse.
Dimensions:
H-12 W-1.75 D-0.25 inches
Date:
ca. 1965
Made by:
American Printing House for the Blind
Place of Origin:
Louisville, KY
Collection:
APH Collection
Provenance:
APH introduced its 12" braille ruler in 1960. The sliding caliper appeared in the 1965 catalog. The calipers were originally machined at APH and later stamped elsewhere. Found in office of Jim Hill.
Credit Line:
APH Collection, 2007.29.
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English braille ruler
English braille ruler