Curta Type II Calculator with plastic case and matching box

Vintage PIC British Slide Rule Engineer Calculator w Case Scientific Drafting

Vtg Tower Pocket Double-sided Calculator Western Germany ca. 1955

Vintage 'Felt and Tarrant' Comptometer calculator for spares or repair

Vintage Wood Box Scientific Instrument Consett Iron Co Frederick Robson & Co

Vintage HAFF 315 planimeter in original case platometer

Vintage Aristo Studio Slide Rule Made In Germany Engineering Calculator w Case

Vintage M.H.Mears & Co Central Heating Calculator + Original Case + Instructions