Manufacturer: Fowler
Country of Manufacture: England
Type: Magnum Long Scale Calculator
Date of Manufacture: 1927+
Scales: (Front) C (short scale), CI, R1, R2, L, C (6 turn long scale 50"), S, S, T
Scales: (Back) None
Number of Scales: 9
Gauge Points: π, q, R, l10, le, EHP, gE, gF,2, 3 etc., etc.
Slide Rule made from: pressed metal
Cursor made from: Plastic
Cursor Lines: 2
Overall Length of Rule: 11.9 cm Diameter (4 5/8")
Length of Scales:  
Depth: 1.1 cm
Weight: 302 gm
Acquired from: Robert Whild
Date: Dec 2000
Condition: Good
 Leather case. Good condition
 JOS Vol 7, No. 2 "Fowler's Pocket Watch Type Calculators"
 JOS Vol 8, No. 2 "Pocket Watch Slide Rules"
 JOS Vol 11, No. 2 "The Fowler Calculators - a Catalogue Raisonne