Share your favorites on Show & Tell

Addiator Patent Duplex Manual Calculator

In Office > Calculators > Show & Tell.
pw-collector's loves488 of 5161Tiled Mosaic EntrywayMurray Pedal Tractor
5
Love it
0
Like it

pw-collectorpw-collector loves this.
Collectables59Collectables59 loves this.
AnythingObscureAnythingObscure loves this.
americanstationeramericanstationer loves this.
blunderbuss2blunderbuss2 loves this.
See 3 more
Add to collection

    Please create an account, or Log in here

    If you don't have an account, create one here.


    Create a Show & TellReport as inappropriate


    Posted 4 years ago

    KeithT
    (1 item)

    Addiator Patent Duplex. Black and silver both sides in cardboard flip wallet.
    Telescopic riser on hinge (see picture). No idea of value or year. Inherited from my father who was a draughtsman.

    Unsolved Mystery

    Help us close this case. Add your knowledge below.

    logo
    Calculators
    See all
    Gummy Wheel Repair Hewlett Packard Calculator HP-65, 67, and HP-97
    Gummy Wheel Repair Hewlett Packard ...
    $5
     Alkaline Hewlett Packard Calculator Battery CASE HP 35, 45, 55, 65, 67, and 80
    Alkaline Hewlett Packard Calculato...
    $15
     Rechargeable HP Calculator Battery Classic CASE   HP 35, 45, 55, 65, 67, 80
    Rechargeable HP Calculator Battery...
    $17
    Hewlett Packard Calculator Classic USB Charger/Adapter HP-35,45,55,65,67 AutoOFF
    Hewlett Packard Calculator Classic ...
    $29
    logo
    Gummy Wheel Repair Hewlett Packard Calculator HP-65, 67, and HP-97
    Gummy Wheel Repair Hewlett Packard ...
    $5
    See all

    Want to post a comment?

    Create an account or login in order to post a comment.