There's a composition resistor between the line cord and chassis ground.
This is a
common configuration of several years ago, especially found in 5-tube
radios.
HBM
On Fri, 12 Nov 2004 19:53:36 -0500 Tony King <amps@w4zt.com> writes:
> At 03:50 PM 11/12/2004, Harold B. Mandel wrote:
> >Dear Will,
> >
> >Let's see, the a.c. cord is probably not polarized, so that means
> the
> >chassis can either be hot or neutral, depending upon the
> insertion.....
>
> Looking at the pictures, the line cord doesn't appear to be
> grounded. In
> the 7th picture you can clearly see the line cord attached to a 5
> lug
> terminal strip with two of the lugs attached with rivets to the
> chassis. The line cord is not attached to one of those. One would
> hope
> that the applied line voltage goes to transformer windings. Of
> course a 3
> wire cord would help but without it doesn't necessarily mean there
> is a
> dangerous condition.
> <snip>
>
> 73, Tony W4ZT