A master listing of over 1, 500 different models from over 220 companies. The earliest and most valuable pocket and portable calculators. Exclusive details about rare calculators from Russia, East Europe, and South America. Comprehensive pricing guide for all models listed.A master listing of over 1, 500 different models from over 220 companies.
|Title||:||Collector's Guide to Pocket Calculators|
|Author||:||Guy Ball, Bruce Flamm|
|Publisher||:||Wilson/Barnett Pub - 1997|