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
: C4 (Minimal signs of use but on front side, some piece of metal (internal tensioning spring?, part of interior case?), has become dislodged and rotates with the cursor. Does not interfere with use but looks odd. )
Came with
: Silk pouch and wooden case