| Patent: | US 1404019 |
| Titel: | Mechanical Calculating Device |
| Datum: | 17.01.1922 |
| Ort: | |
| Land: | USA |
| Person: | C. A. Gilson |
| Firma: | Gilson Slide Rule Co (P) |
| Links im Rechnerlexikon: | Gilson Atlas Calculator |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) |  US1404019 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1404019) (espacenet), US1404019 (http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/FPTO/srchnum.htm&r=1&f=G&l=50&s1=1404019.PN.&OS=PN/1404019&RS=PN/1404019) (uspto) |
Aus der Patentschrift US1404019
- Henry Aldinger and Ed Chamberlain: "Gilson Slide Rules - Part II - The Large Rules" in Journal of the Oughtred Society Vol- 9, No. 2, Fall 2000, p. 47ff