1st Nov, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
An Amsler Integrator Model 1
mid 20th Century, Swiss, also known as a moment planimeter, in nickel-silver rather than brass, signed 'J Amsler No.1533' complete with steel rail, both in pine cases, integrator case 37.5cm across, rail case 157.5cm
mid 20th Century, Swiss, also known as a moment planimeter, in nickel-silver rather than brass, signed 'J Amsler No.1533' complete with steel rail, both in pine cases, integrator case 37.5cm across, rail case 157.5cm
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Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018
