£600
A very rare 13" double slide boxwood timber calculating slide rule by W.F.STANLEY with Fred'k A.Sheppard Patentee and Cubic Content, Superficial Area etc with orig instructions dated 2nd August 1878, ex Max Ott collection F
Fees apply to the hammer price:
Room and Absentee Bids:
22% inc VAT*
Online and Autobids:
22% inc VAT*
