Slide rules HOME page COLLECTION 10" RULES UNITED KINGDOM
Make Unique, England
Model Log-log
Notes

1. Rear of slide rule has table of sin and tan and trigonometrical equations, as has the 5" equivalent.

Front view
1010-unique-ll-01.jpg (23443 bytes)
Detail - front left
1010-unique-ll-02.jpg (18593 bytes)
Detail - back
1010-unique-ll-03.jpg (19123 bytes)
Manufacturing date Circa 1950. Rule has all plastic cursor.
Length 10"
Material Plastic on  mahogany
Scales LL2,A[B,C] D,LL3
Gauge points p: 3.14: A,B,C,D
U:C,D
Cursor Plastic with white plastic frame top and bottom
Hair lines None