"Thomas De Colmar Arithmometer No 1517"
THIS ARITHMOMETER IS REMARKABLE FOR ITS LARGE CAPACITY: 8X9X16, THE LARGEST EVER MADE. TAKEN INTO ACCOUNT OF ITS NUMBER IT IS DATED 1877. ITS CONDITION IS GOOD DESPITE THE REPLACEMENT OF TWO BUTTONS AND LOCK CLOSING HOOKS (SEE PHOTOS). FOR OTHER MODELS, CONSULT MR MONNIER'S WEBSITE: ARITHMOMETRE.ORG