Lot · Slide Rules
Vintage Lawrence Engineering Service Slide Ruler Made In The USA
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Tue · Jul 7, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 837**
vegabond
134 ratings · 100.00% positive
Description
From the sellerThis is an awesome, vintage slide ruler from Lawrence Engineering Service. This ruler was made in the USA and still works. The back of the ruler has various instructions, which gave me a headache trying to read because the font is so small and because...math. It appears the slide that would line up for measurements is missing, but the ruler is still functional, it still slides, and if you know what you're doing it likely still serves it's purpose. Please inspect photos thoroughly.
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