Parallel Rule

Made:
Tokyo

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

Details

Category:
Mathematics
Object Number:
1991-60
type:
rules (drawing) and parallel rules
credit:
Tesseract

Parts

Wooden Storage Case For Parallel Rule

Wooden Storage Case For Parallel Rule

Fitted wooden box for parallel rule, Japanese, signed `T.Tamaya. Tokyo', lid marked with the anchor and Japanese characters

Object Number:
1991-60/1
type:
case - container

Parallel Rule

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.

Object Number:
1991-60/2
type:
rules (drawing) and parallel rules
Image ©
The Board of Trustees of the Science Museum