|
Thornton PIC 101/PC8 |
|
Front |
|
 |
|
Back |
|
 |
|
Front without slide |
|
 |
|
Box |
|
 |
| |
|
| Length |
30 cm |
| Number of scales |
10 |
| Country of origin |
UK |
| Country of manufacturing |
UK |
| Year of manufacturing |
1955 |
| Status of the slide rule |
Near mint |
| Material of the slide rule |
Celluloid on wood |
| Type of cursor |
Metal with glass |
| Status of the box |
Normal signs of use |
| Status of the manual |
Normal signs of use (English) |
| Collection number |
5 |
| Further comments |
Very nice slide rule. Special for
this slide rule are the 2 differential goniometric scales. They allow a
smart trick to calcualte sines and tangent using only these tiny scales.
|
|