Fowler's Type RX Long Scale Calculator
Country of manufacture
: England,
Date of manufacture
: ____
Diameter
: 6.6 cm,
Thickness
: 1.3 cm,
Weight
: 111.0 gms
Materials
: metal, glass
Scales
: 12,
Front
: C-short, C-long (5 turns)
Back
: C-short, CI, L, A (2 turns), S
Gauge Marks
:
[Log
e
10 (2303), π, π/4 (7854) ]
Condition
: C7 (Minimal signs of use but on front side, there is a crack on the internal hairline glass plate. Depending on which direction it is being rotated, the two pieces can separate slightly and affect accuracy of readings.)
Came with
: Silk pouch and wooden case