Graphoplex 640 Log Log, Example 3
Country of manufacture
: France,
Date of manufacture
: ____
Overall length
: 29.1 cm,
Width
: 4.6 cm,
Weight
: 113.6 gms
Materials
: alll plastic
Cursor
: 4.2 X 4.5 X 0.7 cms; all plastic, slightly magnifying;
lines
= four hairlines on front, one set into body on back
Scales
: 15, extensions on B², b²,
a
, b, B
Front
: 27 cm // L, B³, B² [ b²,
a
, b ] B, LL3, LL2, LL1
Back
: cos, sin, tg, b
Gauge Marks
:
[π, e, C (1128), ρ
,,
(6366), ρ' (3439), ρ'' (2063) ]
Condition
: C3 (Very minimal signs of use)
Came with
: Original brown cardboard case, instruction sheet (French), Info card