Mechanical Calculator

Collection by Roger Linhart

74 
Pins
 • 
24 
Followers
Roger Linhart
Curta Mechanical Calculator, a small, hand-cranked mechanical calculator… Mechanical Design, Mechanical Engineering, Mechanical Calculator, Old Technology, Latest Technology, Steampunk, Slide Rule, Old Computers, Retro Futurism

Curta Mechanical Calculator, a small, hand-cranked mechanical calculator introduced by Curt Herzstark in 1948. It can be used to perform addition, subtraction, multiplication, division, and (with more difficulty) square roots and other operations. considered the best portable calculators available until they were displaced by electronic calculators in the 1970s.

1920 Odhner Calculator Willgodt T. Computer History Museum, Mechanical Calculator, Antique Typewriter, Modern Tech, Old Computers, Weird Cars, Diesel Punk, Typewriters, Vintage Tools

Computer History Museum

This device is based on the original 1873 Odhner “pinwheel” design. Odhner was a Swedish immigrant who lived in Russia. The “Felix” name of this model refers to first head of the Soviet secret police Felix Dzerzhinsky, who started production of these devices in 1924 as a way employing young people during revolutionary times. Over the course of the 20th century, millions of Arithmometers were sold worldwide by several different manufacturers.

Calculadora Rema Mechanical Calculator, Old Computers, Weird Cars, Surface Design, Logo Branding, Pixel Art, Steampunk, Objects, Gadgets

Calculadora Rema Model III, Bien Conservada y Funcionando. Alemania, Años 30

Antigua calculadora manual alemana, fabricada según el sistema de molinete y en buen estado de conservación y funcionamiento. Se trata de una calculadora Rema modelo III, un diseño que se mantuvo en producción entre los años 1924 y 1927. La máquina funciona con el sistema desarrollado por Odhner en el siglo XIX y conserva todo el encanto de los aritmómetros de principios de siglo. Su fiabilidad y buen funcionamiento hizo de este tipo de máquinas artículos muy populares, que se mantuvieron en…

While the tech may be taken for granted, the history of calculators is more interesting than most realize. Learn the story of the first calculator and more! Mechanical Calculator, Old Tool Boxes, Old Tools, Taken For Granted, Instruments, Needful Things, Inventions, Decorative Boxes, Antiques

Evolusi Kalkulator dari Masa ke Masa | Sebelum Masehi - 2010

Welcome To My Thread alhamdulilah Ht #7 ane gan :ilovekaskuss thx to momod and kaskuser sekalian :kisss :ilovekaskus Sebelum Membaca Mohon di :rate5 Biasakan Berkomentar karena bagi ane itu sangat berharga :ilovekaskus Kalong memang berkenan Berikanlah ane :cendolbig sory sebelum nya kalo thread ane :repost ane hanya ingin share Buat kaskuser juga kan :) Dulu..ketika belum ada kalkulator atau alat

Buy online, view images and see past prices for Brandt Automatic Cashier. Invaluable is the world's largest marketplace for art, antiques, and collectibles. Vintage Cash Register, Mechanical Calculator, Old Computers, 1920s, Auction, Retro Styles, Typewriters, Antiques, Revenge

1920's Brandt Automatic Cashier

Coin counter mechanical calculator machine. Working condition. 10" x 9" x 15" VERY HEAVY.