Gerhard Fiedler wrote: > Jon Chandler wrote: > > =20 >> Some examples of schematics from the mid 40's can be found in the >> Weston Engineering Notes I've posted here: >> >> http://www.clever4hire.com/throwawaypic/home/weston-engineering-notes >> >> Resistors and capacitors are according to Olin's "standard." I'm not >> sure about inductors. Transformer windings are shown as coils but in >> a quick scan I didn't see any clear inductor examples. >> =20 > I think it's a pretty safe bet to assume that a reasonably consistent > schematic that uses zigzag resistors also uses half-circle or loop > coils. I have never seen a schematic with solid rectangle inductors that > didn't also use rectangle resistors. > > =20 >> In one place it looks like an inductor may be shown more like a >> resistor..... >> =20 > Where's that? > > Gerhard > =20 On page 6 of the 5th issue from 1946, a current transformer is shown=20 where the windings seem to be represented more like a zig-zag resistor. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .