TY  - BOOK
AU  - WRITINGS,SELECTED
TI  - Charles Babbage and his calculating engines: selected writings 
U1  -  016.00409  19
PY  - 1961///
CY  - New York
PB  - Dover Publications
KW  - Calculators
KW  - Scientists
KW  - Correspondence
N1  - Includes bibliography
ER  -