Calculating machine - ADDO X
Infomatics - Micrographics - 3M - Fair
Calculator - Friden
Calculator - Counting machine - Cash register
Calculator - Singer
Typewriter - Drawing table
Desk writing pad - Matton
Showmap
Cellophane tape - Scotch
Envelope sealing machine - Secap
Paper
Cash register
Binder - Compass - Paperclip - Pencil - Pen
Pair of compasses - Triangle - Book
Microfilm
IBM - Electric typewriter
Paperclip - Book
Calculators - Sharp
