12″ Metric-English braille ruler


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