Accession Number: 2007.29.24
Description: 12" Metric-English braille ruler; black plastic; .25" thick with tapers on both edges to the scales; graded in .25" increments on English scale and in 5mm increments on metric scale; zinc-plated steel caliper slide wrapped around body; "APH" cast on reverse.
Height: 12
Width: 2.5
Depth: 0.375
Date Made: ca. 1970
Maker: American Printing House for the Blind
Place of Origin: Louisville, KY
Collection: APH Collection
History/Provenance: APH Collection
Credit Line: APH Collection, 2007.29.
Subjects: Instructional aids, tools, and supplies Measuring Rulers (Instruments)
Dimension Notes: overall
Made: American Printing House for the Blind
Material: Plastic
Updated: 07/13/2016
