Notes 1. This rule was probably made near to the end of
the slide rule era. It has chemically transferred lettering and is highly
polished.
2. Like many European rules, particularly of this period, it has the
conventional scale lettering at the left end and explanatory lettering at
the other. |
Scales |
ST,T,T2,DF[CF,CIF,CI,C]D,DI,P,S/
LL01,LL02,Ll03,A[B,L,K,C]D,LL3,LL2,LL1 |