18th Oct, 2019 12:00
Fine Photographica & Instruments of Science & Medicine
An Early Hand Written Journal of Calculations
English, dated 1997, hand written by Mr F. Ling in script, covering many systems used in accounting such as 'the rule of three', 'double rule of three', 'Fare & Frett', 'interest rates' and more, covered in the original cream velum.
Sold for £156
Result plus buyers premium
English, dated 1997, hand written by Mr F. Ling in script, covering many systems used in accounting such as 'the rule of three', 'double rule of three', 'Fare & Frett', 'interest rates' and more, covered in the original cream velum.
Auction: Fine Photographica & Instruments of Science & Medicine, 18th Oct, 2019
