Calculadoras mecánicas de sobremesa 1910-1970

JOSEPH KUPFER CALCULATOR (1911)

PHELIX M. (1920)

OLIVETTI SUMMA

OLIVETTI

FACIT C1-13 (1975)

FACIT CA1-13 (1950)

MONROE L160X (1929)

MONROE CSA-8 (1940)

CONTEX A (1946)

CONTEX 55 (1968)

M.J. ROOY

HAMANN E (1953)

BRUNSVIGA 13RK (1950)

BRUNSVIGA 18

OLIVETTI

RESULTA 7 (1950)