Alvin 240B Bamboo Professional Triangular Scale
Professional quality scale with bamboo core, white high-impact plastic laminated faces and tapered edges. Machine engraved divisions and color coded furrows. Supplied in hard plastic case.
- 240B: 12" Bamboo Architect Scale
Graduations: 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1-1/2, 3" to the foot.
- 241B: 12" Bamboo Engineer Scale
Graduations: 10, 20, 30, 40, 50, 60 parts to the inch. Double numbered.
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