6.1 Most Recent Additions
Of the 364 slide rules presently in the collection, the most recent 25 additions are shown below in reverse chronological order of their acquisition.
| Maker | Model | Year | |
|---|---|---|---|
| Pickett | N904-T | 1958-1962 |
|
| Pickett | N901-ES | 1958-1962 |
|
| Pickett | N531-ES | 1960 |
|
| Hemmi | 258 | 1952 |
|
| Pickett | N200-ES Trig | 1964-1975 |
|
| Pickett | N803-ES | 1950-1958 |
|
| Pickett | 140-ES | 1970 |
|
| Pickett | N1010-ES | 1964-1975 |
|
| Pickett | N1010-T | 1964-1975 |
|
| Pickett | N3-T | 1964-1975 |
|
| Pickett | N3p-ES | 1964-1975 |
|
| Pickett | N500-ES | 1964-1975 |
|
| Pickett | N600-ES | 1964-1975 |
|
| Pickett | N600-T | 1962-1964 |
|
| Pickett | N600-T | 1964-1975 |
|
| Pickett | N902-ES | 1964-1975 |
|
| Pickett | N902-T | 1964-1975 |
|
| Felsenthal | Polhemus Celestial Computer | 1962-1963 |
|
| Hemmi | Triangulation | 1940 |
|
| Tavernier-Gravet | Beghin | 1929 |
|
| Kolesch | Mannheim | 1901-1904 |
|
| Mims | Aver-O-Matic 121 | 1961-1962 |
|
| Tavernier-Gravet | Soho | 1882-1900 |
|
| Tavernier-Gravet | Mannheim | 1923 |
|
| Festus | 10 | 1938 |
|