Question by JOYCE V S: How many scales are on an architectural scale?
How many scales are there on an Engineering scale?
What is the difference between both scales?
Best answer:
Answer by Vince M
I have two, one with metric increments, and one with English measurements. Each one has three blades, with a total of six surface edges for different scales.
There may be many others, but those are the two that I have.
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