Advertisement card - Paper - Lacker
Typewriter - Urania - Sewing Machine - Veritas
Scryption - Writing
Calculating machine - Calculator - Facit
Olympia - Typewriter
Paper - Processing machinery
Calculator - DAP
Paper
Envelope sealing machine - Secap
Typewriter - Silent - L.C. Smith
Typewriter - Olivetti
Paperclip - Book
Typewriter - The Silent - L C Smith - Groningen
IBM - International Business Machine Society
Glue pot - Gluton - Talens - Apeldoorn
Tape dispenser - Bilthoven
Addressing machine
Calculator - Calculating Machine Company - Monroe
