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Well, remove the blue/white wire from V1274 to the CRT and I get a half trace sweep. Unhook the brown/white wire from V1284 and I get a dot. Swapping the tubes from one socket to another makes no

That’s what I’m thinking, but I can’t seem to get it back on screen.

Sounds to me at first glance that the beam is deflected off screen. Daun

I’ve been working on this 585 for a while now and I’m finally making progress. A little backstory; I bought this from a fine gentleman with the understanding that it wasn’t working and may never

I also have a couple of these and have made a couple. Another common place you will see these types of nuts are on old Ford dash nuts, like for the headlight switch. They have a limited use today but

I'm contemplating getting rid of my 547 with rewound HV transformer and about 25 plugins, including 1S1s and 1S2s. I do not wish to ship, so what would the local interest be in Montreal?

You betcha! I’ll contact you off-list. Thanks.

yes that was the size 7/32 not 3/16 Renée

I still have a PL-068 on the end of my ancient T-17 mic cable. Burt, K6OQK

Maybe it's for a TRS PL-068 plug connector, which was for vintage Collins KWM-2 radio microphone; 7/32 inch diameter... Mike N4MWP

Professional audio patch bay plugs and jacks come in two sizes - 1/4" TRS (old school. for balanced lines, based on AT&T standards) and 1/8" TRS (new school, for balanced lines, often using two plugs

I do not think so. I think was smaller...my memory is fuzzy ...been too long....There is a size in between the 3.5mm ( 1/8 inch) and the 1/4 inch IIRC 3/16 and there is/was one larger than 1/4 inch

If I'm not misunderstang the discussion... Possibly you have what's referred to as a "PL310," which is common in more recent professional audio patch bays. They are TRS for Tip, Ring, Sleeve. At first

Yes, the center shaft is larger than the jack. Would you like to give them a home Steve? $6 or $7 postage... -- John

Doesn’t fit in what sense? Is the center shaft too big to fit a 1/4” jack? The rest look very handy for working on the earphone jacks of transistor radios.

Thanks, Is Bell System "phone jack" not the same as 1/4"? The drive marked headphone jack does not fit Bell System "phone jack". -- John

the Head phone jack items are for the thin, threaded trim rings( nuts)? that were used as nuts on 1/16, 1/8 and 1/4 inch headphone phone jacks. these were prevalent before they started using thin

They seem specialized so maybe a factory setting? They do not fit Bell system "phone jacks". https://www.ecosensory.com/tek/E8P-connector-nut-drivers-1.jpg

There was no image - perhaps this list does not permit images. -- Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA https://plymouthcolony.net/starcity/radios/

They seem specialized so maybe a factory setting? They do not fit Bell system "phone jacks".