Artifact Details Title Nomogram calculator Catalog Number 102730256 Type Physical object Description The sliderule-like object apparently calculates the firing angle for a 155mm howitzer. The date printed on the object is JUN 69. On one side are the calculations for charge 5, and on the other side are the calculations for charge 7. Identifying Numbers Other number 155Q4ILLM485 Printed onboth sides of the object Other number FSN 1220-133-6219 Printed on both sides of the object Other number HOW 155mm Printed on both sides of the object Dimensions overall: 1/2 in x 18 in x 4 1/2 in Category Pre-computer/slide rule Credit Gift of Warren Yogi Lot Number X2703.2004 Related Records 102730258 Carrying case for nomogram calculators