| Hammond | |||||
| Hammond Typewriter Co., 69. Street and East River,New York, U.S.A. | |||||
| Since 1931: Vari-Typer Inc., 132. Street, New York, U.S.A. | |||||
| Later: Ralph C. Coxhead Corp., 333. Avenue of the Americas, New York, U.S.A. | |||||
| Models and s/n | Y | M | D | Remarks | Ref. |
| No. 1 Ideal | |||||
| started 1880 | Curved keyboard, entire wooden housing, two piece type-shuttle, central "turret" covered with olive celluloid sheet | 5,7 | |||
| No. 1 Universal | |||||
| 1888 | No more wooden housing, straight row QUERTY-keyboard, two piece type-shuttle, central "turret" not covered | 5,7 | |||
| No. 1"b" | |||||
| Ebony keys, curved keyboard, no more wooden housing, two piece type-shuttle, central "turret" covered with olive celluloid sheet | 5 | ||||
| No. 2 | |||||
| 1893 | Small metal tab to lift type shuttle on the front of the "turret", Ideal and Universal keyboard, single piece and curved type-shuttle | 4,5 | |||
| No. 3 | |||||
| Based on No. 2 but with 11 1/3" carriage | 5 | ||||
| No. 4 | |||||
| Based on No. 2, regular 8 1/2" carriage, 9 characters/ inch | 5 | ||||
| No. 5 | |||||
| Based on No. 2, Ideal keyboard only, triple shift, Greek language | 4,5 | ||||
| No. 6 | |||||
| Based on No. 2 but with 16" carriage | 5 | ||||
| No. 7 | |||||
| Based on No. 2 but with 20" carriage | 5 | ||||
| No. 8 | |||||
| 1900 | Based on No. 2 but with 30" carriage | 4,5 | |||
| No. 12 | |||||
| 1905 | No metal tab on front of the "turret", but a curved bracket, that ties ribbon out of the sight after each keystroke | 5 | |||
| Special Models | |||||
| 1905 | 3 instead of 2 shifts for double language typing and with high and low position of type shuttle for mathematical formulas | 4 | |||
| 1910 | "Express-Duplex" option for two shuttles turnable 180° | 4 | |||
| Multiplex | |||||
| 1913 | Two switchable type-shuttles with different typefaces to choose, appearance like No. 12 | 5 | |||
| 1916 | With metal cover | 5 | |||
| 1922 | Variable spacing | 4 | |||
| Multiplex folding (aka Modell 26) | |||||
| 1921-1928 | Folding keyboard, a mathematical model available | 4,13 | |||
| Varityper | |||||
| over 300000 | 1927 | Hammond Typewriter Co., from s/n 400000 electrical version | 4,7 | ||
| over 400000 | 1927 | Electric movement | 13 | ||
| 1931 | Vari-typer Inc. | 4 | |||
| 1933 | typesetting offset device, later electrified | 5 | |||
| 1970 | production ended | 5 |