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Type | Model No. | Maker | Country | Construction Material | Date | Scale Length | Area of Use |
Linear | Hemmi 266 | Hemmi | Japan | Celluloid on Bamboo | 1967 Feb | 25 cm | """Electronics""" |
Notes: Hemmi date code RB. Back of rule has 13 seldom-seen specialized scales in three colors. Intellectually abstruse and aesthetically beautiful.
Image 1
![](favorites/images/14266a.jpg)
Image 2
![](favorites/images/14266b.jpg)