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| Manufacturer: | L. P. Casella |
|---|---|
| Country of Manufacture: | England |
| Type: | Anderson's Improved Slide Rule |
| Number: | |
| Date of Manufacture: | ~1900 |
| Scales: (Front) | cms/ 1 extended scale [1 extended scale] 1 extended scale / ins |
| Scales: (Back) | None |
| Number of Scales: | 3 |
| Gauge Points: | |
| Slide Rule made from: | Mahogany and Plastic |
| Cursor made from: | Plastic |
| Cursor Lines: | |
| Overall Length of Rule: | 36.4 cms |
| Length of Scales: | 30 cms |
| Width: | 4.9 cms |
| Depth: | 1.0 cms |
| Weight: | |
| Acquired from: | Mick Wilton |
| Date: | April 2005 |
| Condition: | Good |
| Accessories: | |
| Comments: | Operation unknown. Two extremely unconventional cursors. |