Artifact Details Title Planimeter Catalog Number 102757723 Type Physical Object Description The object is a planimeter that consists of five parts contained in a padded case. Manufacturer A. Ott Kempten Identifying Numbers Serial number 50253 Dimensions overall: 1 7/8 in x 10 1/2 in x 3 1/2 in Category Pre-computer/other Credit Gift of Suzanna Pedersen Lot Number X7925.2017