Calculator - Counting machine - Cash register
Calculator - Counting machine - Cash register - Victor
Counting - Calculating machines - Contex
Calculators - Sharp
Calculating machine - ADDO X
Typewrtter - Calculating machine
Calculator - Addo
Calculator - Counting machine - Accounting machine
Calculator - Singer
Calculator - Friden
Paper
IBM - Electric typewriter
Pair of compasses - Triangle - Book
Infomatics - Micrographics - 3M - Fair
Paperclip
Microfilm
Cash register - Krupp
Glue - Titanol - Gimborn
Typewriter - Royal
Label machine - Dymo
