Calculator

Estructura del mecanismo
Función	This calculating machine has a manual printer. It consists of a complete keyboard of 10 rows of numbers from 1 to 9 with, from right to left, units, tens, hundreds, etc. On the right-hand side are 5 keys for the Sub-total (S), Total, Non Add, R (Repeat) for multiplication and C for typing errors. Printing is performed using an ink ribbon. Addition is automatic, achieved by typing in the numbers one after another; the crank enables them to be printed out. For multiplication, performed by repeated additions, the user first presses the R (Repeat) key.

Función de guía
Dimensión del mecanismo	espacial

Aplicación
Ejemplos de aplicación	It can perform the four basic operations.

Permanent links

DMG-Lib		https://www.dmg-lib.org/dmglib/handler?mcdsc=3051025
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_mcdsc_3051025.html