Manufacturer: L. P. Casella
Country of Manufacture: England
Type: Anderson's Improved Slide Rule
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
Acquired from: Mick Wilton
Date: April 2005
Condition: Good
 Operation unknown.
 Two extremely unconventional cursors.