£1,400
A rare, unusually wide section, 2' two fold ivory slide rule with German silver fittings by JOHN RABONE Manufact'rs with William Slater Bolton Designer with numerous scales for setting up spinning machinery with sizes of Worm Wheels, Rollers, Spindles etc etc etc required (this rule is illustrated in The Rule Book p251) one pin missing o/w F
Fees apply to the hammer price:
Room and Absentee Bids:
22% inc VAT*
Online and Autobids:
22% inc VAT*
