Curt Herzstark – Contina AG Mauren – Curta Type 1 (1960) – Rekenmachine – 1960 – cilindrische mechanische draagbare zakrekenmachine

Curta 1Famous vintage mechanical calculator, the first handheld and taskable model, known as the "pepper mill." A mechanical wonder, praised by collectors of antique scientific devices.A wonderful piece of conversation with friends, students, or to stimulate the scientific curiosity of a younger audience.Serial number 42405, manufactured in 1960 by Contina AG Mauren, Liechtenstein.Perfect working state : just serviced, cleaned, and oiled (following constructor's instructions).Passes all computation tests. Carries report accurately accross all digits. Pictures 8 & 9 show that digits accumulate accurately to the top register (the accumulator, where results are read).Excellent cosmetic state. Black paint did not fade.Digits still have strong contrast.Only defects to mention (visible on pictures) : - black paint slightly worn at the edge of the upper ring- tiny scratches at the edge of the bottom plate and the bottom ring (not visible at display)Shipping options include insurance against loss or damage (around 10 euros). -------------------