This corkback ruler, manufactured by Acme United Corp., has inches in
16ths
on one edge and metric on the opposite. Flexibility permits
measuring curved
surfaces. Raised edges eliminate ink blots and
smearing. For architects,
draftsmen, artists, schools, and bookkeepers.
Model
Length (inches)
R590-6
6
R590-12
12
R590-15
15
R590-18
18
R590-24
24
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