The (re)discovery of some of the oldest key-driven adding machines (1844)

Denis Roegel 1, *
* Corresponding author
1 MOSEL - Proof-oriented development of computer-based systems
LORIA - FM - Department of Formal Methods
Abstract : The purpose of this brief note is to announce the (re)discovery of three of the adding machines patented in 1844 by Jean-Baptiste Schwilgué and his son Charles.
Complete list of metadatas

https://hal.inria.fr/hal-01096468
Contributor : Denis Roegel <>
Submitted on : Monday, December 22, 2014 - 8:39:40 PM
Last modification on : Tuesday, December 18, 2018 - 4:38:25 PM
Long-term archiving on : Monday, March 23, 2015 - 7:46:47 PM

File

roegel2014adding-machine.pdf
Files produced by the author(s)

Identifiers

  • HAL Id : hal-01096468, version 2

Citation

Denis Roegel. The (re)discovery of some of the oldest key-driven adding machines (1844). 2014. ⟨hal-01096468v2⟩

Share

Metrics

Record views

372

Files downloads

163