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Hemmi No. 275 Slide Rule

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 400.00 USD
Hemmi No. 275 Slide Rule

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Auction Date:2020 Jul 16 @ 18:00 (UTC-5 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Scarce Sun Hemmi Model No. 275D slide rule made in Japan, featuring 20˝ scales and a single cursor, known as a 'vector log-log slide rule.' It has hyperbolic trig function scales which are used in civil and electrical engineering. Complete with the original cardboard box and plastic sleeve. In fine condition, with light wear to the cardboard box.