Pilot Balloon Slide Rule By J Hicks Of London. Early 20th Century Original Box.

Pilot Balloon Slide Rule By J Hicks Of London. Early 20th Century Original Box. (image 1/4)
Pilot Balloon Slide Rule By J Hicks Of London. Early 20th Century Original Box. (image 2/4)
Pilot Balloon Slide Rule By J Hicks Of London. Early 20th Century Original Box. (image 3/4)
Pilot Balloon Slide Rule By J Hicks Of London. Early 20th Century Original Box. (image 4/4)
Pricing & History
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  • Sold Date
  • Source eBay UK
Very rare instrument quality maker . Brass and wood construction. Interesting history dating from 1915 about these instruments. This is an early model for collectors! Slide rule is 63 cm long.Posted with eBay for iPad
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