Triangular Reduction Scale Rule.
Metric Scales: 1:10, 1:20, 1:25, 1:30, 1:40, 1:50
The Precision Divisions Are Numerated Both Ways.
Dimension Markings In Cm And M For Easier Working.
Metric Scales: 1:10, 1:20, 1:25, 1:30, 1:40, 1:50
The Precision Divisions Are Numerated Both Ways.
Dimension Markings In Cm And M For Easier Working.