Antique Improved Willis Planimeter W/Case - 1901 - Mfg James L. Robertson & Sons
Item History & Price
| Reference Number: Avaluer:115859 | Maker: James L. Robertson & Sons |
Edward Jones Willis first patented his cross-shaped planimeter in 1894, with further improvements patented in 1896 and 1901. This is a model with all the improvements, manufactured by James L. Robertson & Sons in NY. This Willis is in superb condition, as you can see in the pictures. The case is 10 ¼” L X 4 ½” D X 1 ½” T and is in good condition as well.
Terms of Sale: Payment is due to PayPal within 3 days of sale Items are described t...o the best of seller's knowledge & ability We ship 1-3 business days via USPS Priority Mail, after PayPal confirmation of cleared payment and shipping address.
Terms of Sale: Payment is due to PayPal within 3 days of sale Items are described t...o the best of seller's knowledge & ability We ship 1-3 business days via USPS Priority Mail, after PayPal confirmation of cleared payment and shipping address.
