HP-41C CV CX Math I Module Tested

Two 82120A Battery Shells & Electronic Parts for the HP-41C CV CX Calculators

HP-82183A HP-41C CV CX Extended i/O Module Tested

Cumana Dual 5.25" Floppy Disc Drive DS 40/80 Track for Acorn/BBC Micro Working

Hewlett Packard HP-75C Calculator with Extra 8K Memory Tested

Vintage Olympia International CD401 Large Nixie Calculator. Working Condition.

Very rare Hewlett Packard HP 27 Calculator with Manual Tested

Hewlett Packard HP-71B Calculator