953 FTN Lufkin Tinner’s Steel Circumference Rule

953 FT Lufkin Tinner’s Steel Circumference Rule
Standard rule with tinners and other steel metalworkers
Tempered medium-weight steel
Hole in one end for hanging
Markings are black for easy reading
953 model, one side upper edge marked inches to 1/16ths
Lower edge marked up to 113 circumference inches to 1/8ths
Reverse side of model has formulas for calculating circumference, diameter, area, etc. and size table for laying out measures and cans
Length 3 ft
Width 1 1/4 in
Thickness 1/16 in
Increment @ Scale 1/16 in @ 1 in, 1/8 Dia. in @ 1 Circumf. in
No. of Scales 2
Material Steel
Measuring System Inch
Type Measurement Rule
Wt. 0.78 lb