The Russian abacus – 

Felix arithmometer  – 

a simple mechanical device for performing arithmetic calculations. Used from the XVI century until the beginning of the XXI century, when electronic calculators ultimately squeezed them out of the market.

an arithmometer, mechanical computing machine, that performs addition, subtraction, multiplication and division through mechanical actions. Produced from 1928 to 1978 with a total circulation of several million calculators (Schetmash plant, Kursk).

Wikipedia. Abacus [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/Счёты.

Wikipedia. Felix (arithmometer) [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/Феликс(арифмометр).

Museum of Soviet calculators. Felix M [Electronic resource]. – Access mode: https://elektronika.su/all/feliks-m/

Toshiba BC-1623 –

Arithmometer VK-1 –

a second generation desktop calculator that used small bipolar IC technology. Four functions with square root and percentage functions, 1969.

an arithmometer, computing mechanical key-driven calculator, designed to perform four arithmetic operations: addition, subtraction, multiplication and division. Produced from 1950 to 1970 (Schetmash plant, Kursk).

Vintage Calculators. Toshiba [Electronic resource]. – Access mode: http://www.vintagecalculators.com/html/toshiba_bc-1623g.html.

Museum of Soviet calculators. Arithmometer VK-1 [Electronic resource]. – Access mode: https://elektronika.su/all/vk-1/

Calculator «Iskra-2240» –

Electronika MK-61 – 

an electronic keyboard computer, designed to perform economic planning, accounting, statistical and accounting calculations. Produced from 1980 to 1993  (Schetmash plant, Kursk).

a programmable microcalculator with Reverse Polish Notation, that performed engineering and scientific calculations. Produced from 1983 to 1993 (Kristall plant, Kyiv).

Wikipedia. Electronika MK-61 [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/ Электроника_МК-61

Museum of Soviet calculators. Electronika MK-61 [Electronic resource]. – Access mode: https://elektronika.su/all/elektronika-mk-61/

Typewriter «Yatran» –

Romashka PELP-U1 –

electromechanical typewriter, produced from 1975 to 1995 (Kirovograd Typewriter Plant «Pishmash»).

a portable electronic typewriter, belongs to the latest generation of electronic typewriters, which in their functionality were close to computer text editors. Produced from 1989 to the mid-1990s. (Schetmash plant, Kursk)

Wikipedia. Yatran (typewriter) [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/ Ятрань_(пишущая_машинка).

Electronika MC6105.02  – 

ES PEVM 1841 –

soviet monochrome monitor with composite video input, 1991 (Minsk Production Association of Computer Equipment)

personal computers of the ES series (Unified System), analogues of personal computers of the IBM PC family. The kit included a Soviet monochrome monitor with a composite video input «Electronika MC6105.02».  Produced from 1987 to 1995 (Minsk Production Association of Computer Equipment).

Emuverse. MС 6105 [Electronic resource]. – Access mode: https://www.emuverse.ru/wiki/MC_6105.

Wikipedia. ES PEVM [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/ ЕС_ПЭВМ

IBM Think Pad T30 –

Punched card –

a laptop computer, manufactured by IBM from 2002 to 2004.

a piece of card stock that stores digital data using punched holes. Punch cards were most widely used in the second half of the XX century for recording and storing data in automated information processing systems.

Wikipedia. IBM ThinkPad T30 [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/IBM_ThinkPad_T30

Wikipedia. Punched card [Electronic resource]. – Access mode: https://ru.wikipedia.org/wiki/Перфокарта