Manufacturer: Loga
Country of Manufacture: Switzerland
Type: Rechen-Walze System (Cylindrical Calculator)
Date of Manufacture:  
Scales: (Front)  
Scales: (Back)  
Number of Scales: 50 on Inner Cylinder and 50 on Sliding Grid
Gauge Points:  
Slide Rule made from: Aluminium Cylinder with Paper Scales
Cursor made from:  
Cursor Lines:  
Overall Length of Rule: 51 cm
Length of Scales: 16 cm diameter. Effective Length of Scale 10 m
Width: 20 cm
Depth: 23 cm
Acquired from: R. C. Blakenhorn (The Gemmary)
Date: Apr 2001
Condition: Good
 No Box