![](https://coimages.sciencemuseumgroup.org.uk/74/294/medium_thumbnail_1990_0459__0002_.jpg)
![Lippincott's planimeter 1896, in case 9 1/2x3 1/2'x1 1/2'](https://coimages.sciencemuseumgroup.org.uk/340/581/medium_smg00049453.jpg)
Lippincott's planimeter 1896, in case 9 1/2"x3 1/2"x1 1/2", instrument inscribed "The Lippincott Planimeter manufactured by Hine and Robertson Co., N.Y. No.1252" and "Patented Oct. 6, 1896"
Lippincott's planimeter 1896, in case 9 1/2"x3 1/2"x1 1/2", instrument inscribed "The Lippincott Planimeter manufactured by Hine and Robertson Co., N.Y. No.1252" and "Patented Oct. 6, 1896"