Incredible Russian Feliks Calculator model BPH-3 with User's Manual. Years 30.

Amazing Russian Feliks Calculator model BPH-3, serial number 950987. Manufactured in the 1930's. Attach user's manual! Beautiful and pristine calculating machine with original bluish colored casing with different numbering registers perfectly distributed. It is a very beautiful machine aesthetically, with a color that we do not find in other similar pieces, and that makes it very attractive. It combines to the perfection to be a very functional device, with some aesthetic characteristics of exception. Machine equipped with a crank mechanism or pinwheel with capacity to add, subtract, multiply and divide. Numbers in white enamel. The enamel is in perfect condition, making the piece look practically new, as if it were a real museum piece. The chrome plating is shiny, as if it came from the factory. On the back we can find the model engraved. On the front it has the logo with the name of the brand in Russian: FELIKS. It is checked and in perfect working condition as just bought. Attached is an original user manual with explanatory drawings, which will undoubtedly make it easier to use. This type of machines are objects for science lovers. They have their origin back in the XVII century, when the first adding machines were built, characterized by using a gear-based operation, which arise to alleviate the work activity of those people engaged in accounting work. This type of machines were already much admired at the time, based on a system devised by Willigodt Odhner, the variant of the one developed by Leibniz in the 18th century. Feliks calculating machines were made in Russia during the 1930s and 1940s to help in banks, accounting offices and warehouses. It is amazing to see the internal complexity of one of these mechanisms, and the smoothness and precision with which they work. True collector's item in excellent condition. Perfect for decorating and ... use if you wish!