Cellophane adhesive tape
Paperclip - Book
Carbon paper
IBM - 50 years of electric typewriters
Paperclip
Dictation machine
Calculating machine - ADDO X
Addressing machine
Envelope folding machine - Secap
Cash register - Krupp
Glue - Titanol - Gimborn
Calculators - Sharp
Calculator - Addo
Infomatics - Micrographics - 3M - Fair
Calculator - Friden
Calculator - Counting machine - Cash register
Label machine - Dymo
Calculator - Singer
Typewriter - Silent - L.C. Smith
