Folding Rule Type 617
Metre rule made from white beech with closely spaced 3 mm-thick arms
Embedded hinges with steel springs and covered rivets
White/yellow, with water-, wear- and solvent-resistant protective varnish surface finish
Red heads, black scale divisions, red tens digits, cm/mm divisions on both edges
Accuracy class III
Approvals
EC design
Name
Symbol
Conversion factor
in
in
25,4 mm
ft
ft
0,3045 m
yard
yd
0,9144 m
mile
mile
1609,344 m
nau.mil
nau.mil
1852 m
