Artifact Details Title Solid state operational amplifier Catalog Number 102756945 Type Physical Object Manufacturer Philbrick Researches Place Manufactured U.S. Identifying Numbers Model number PP45 Serial number 03862 Dimensions overall: 3/4 in x 1 1/8 in x 1 1/8 in Category Component/Semiconductor/other Credit Gift of Laura Peterhans Lot Number X7842.2016