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Parallel rule

1876

Ivory parallel rule, six inch

Rolling parallel rule by Dollond with enamel dial

Parallel rule

1876

Parallel rule

1876

Rolling parallel rule by Elliott Bros

1870-1910

Rolling parallel rule by Cooke

1922-1950

Parallel rule, wood, single parallelogram type

Parallel rule in bakelite signed `Lund's Rule

1922-1927

Parallel rule

1731-1770

Field's parallel rule

1876

Parallel rule, 18 inch, wood, rolling type

1876

Parallel rule, 18 inch, metal, rolling type

1876

Parallel rule, 6-inch, ivory, rolling type

1876

Parallel rule

1876

Boswell's parallel rule

1805-1830

Rolling rule for typewriter spacing

Thirteen-arm parallel rule

1840-1860

Mechanical parallel rule, brass, in pine case

Sliding parallel rule:- 3 foot

Parallel rule, 6-inch, ivory and electrum, ordinary pattern, (single parallelogram)

Parallel rule

1876
T square with elaborate adjustments. In mahogany case with 2 keys.

T square with elaborate adjustments

Naval parallel rule, c. 1885, by John Bliss & Co., patented (No.224,962) in the USA by Charles D. Sigsbee in 1880

Naval parallel rule

1882-1887
Parallel Rule, Japanese, signed `T.Tamaya. Tokyo', with an engraved anchor above Japanese characters(3), steel, 21 inches overall, with one arm divided every degree, in a fitted wooden box, the lid marked with the anchor and Japanese characters

Parallel Rule

Rolling parallel rule by Stanley in brass. `LCC WD No.12' engraved on instrument and stamped on mahogany box., made at Great Turnstile, Londoon

Rolling parallel rule by Stanley in brass. `LCC WD No.12' engraved on instrument and stamped on mahogany box.

1900-1930
Rolling rule with 30cm scale and protractor made by Shinomo, plastic, overprinted Club Panoly Resort Hotel, Boracay, Philippines

Rolling rule with 30cm scale and protractor made by Shinomo

1980-1990