Brunsviga calculator manual

This manual gives a very clear explanation of the operation of the Brunsviga 13Z pinwheel calculator. It describes the four basic operations (addition, subtraction, multiplication, and division, or ASMD for short), including short-cut multiplication and three methods for division.  · Brunsviga () Brunsviga models after Brunsviga adding machines. Martin (US), pages - Martin (Dtsch), pages - - Grimme, Natalis Co, Braunschweig, Germany acquired the patents of the Odhner calculator and produced and marketed them under the name Brunsviga (latin for Braunschweig). 13RM. The German company Grimme, Natalis and Co. of Braunschweig obtained the German patent rights to the Odhner pinwheel calculator in , and produced similar machines under the Brunsviga name. The company improved and developed the Brunsviga which became one of the most successful mechanical calculators and was produced up to the early s.

Calculating the number of minutes in a year using my brand new (lol) Original Odhner pinwheel calculator. Features the lack of tripod and as a result a finni. The list The list is now more or less complete - all machines are unpacked and photographed, with the exception of all of the Twinplexes. This is an alphabetical table. Pinwheels. Brunsviga. In Odhner sold his patent rights of pinwheel calculators to Grimme, Natalis Co A.G. in Braunschweig in Germany (this firm was producing sewingmachines since ). This company manufactured the pinwheel calculators under the name Brunsviga (first as Trinks-Brunsviga; Franz Trinks was the constructor of the company).

The Trinks-Brunsviga model MA pinwheel calculator is highly collectible and quite valuable, since it is a miniature "Midget" version of model A, also called the "Brunsvigula" and has 18 result digits, instead of model B's 13 digits. There were only machines built, my machine with serial number 26' is from early in Brunsviga 13 RK (ZIP, 2,5 MB) Manual for a Muldivo Facit manuals Manual of a Gauss calculator (ZIP, ca. 1,3 MB) Manual of a Monroe Monromatic 8N (1 MB) Manual of a Hamann Manus R (ZIP, MB) Manual of a Hamann Automat T (ZIP, MB) Thacher's Calculating Instrument: US Patent , and Manual for a Thacher cylindrical slide rule and part of the manual. Brunsviga Model D13ZK Serial Number: Date: ca. Capacity: 10x8x13 + 10x8x13 (But only the right-hand bank has a revolutions counter) Price paid: £75 This is an interesting machine, not least because it was the first machine that I restored cosmetically beyond the usual cleaning and polishing.