Operator’s Instruction Manual for the Case Attachments nos. 104 and 105. This manual is put out by the J.I. Case Company, and is from around the late 1940s and early 1950s. It is specifically for the 45 and 46 series planters. It is about 5 inches wide and 8 inches tall. Complete vintage guide for this farming equipment. It is in good to very good condition, showing some wear, dinginess, from storage, ageing, and handling over these many years.