[Thursday] Engaging evening task

[Chris Prata]

Hi all

In the box of old removed capacitors that my friend was kind enough to mail me, there is none which is a dead short and I checked them all (with a dmm).

One of the main things that I would like to demonstrate is excessive draw from shorted filter capacitors, which can destroy a hard-to-replace power supply Transformer and who knows what else if the unit is plugged in and powered up in that condition.

The museum seems to possess a countless array of 1930s through 1950s vacuum tube receivers, and I'm wondering if it's possible that someone could work with me to run the test we are going to demonstrate on enough of them to possibly turn up one which has excessive draw and can be used during the engaging evening demonstration.

I wouldn't describe this as a critical need as the point can be made with they receiver that I am bringing which will pass the test, and maybe it's just not worth it but then again maybe once we start to check a few it could be kind of fun and fun and serve the purpose.

So I'm just throwing this out there in case somebody is into trying to make this happen but I think it would be pretty okay if we don't as well. (and we might even be able to kind of fake it by bridging a component with a jumper inside the radio but the purist in me would really hate to do it that way if we can do it the real way)

Regards,
 Chris








On May 21, 2019 4:14:29 PM Arzoo623 WebRight via Thursday <thursday at newsm.org> wrote:

This is all great. We should visit and put a stake in the ground on the spot. Then work with DEM to place a marker.

Len

Sent from my iPhone

On May 21, 2019, at 12:30 PM, Michael Thompson <michael.99.thompson at gmail.com<mailto:michael.99.thompson at gmail.com>> wrote:

I used Photoshop to stretch the '62 picture to match the scale of the Google picture, and then made the '62 picture transparent.
I think that the pushpin might be about 10' to the north-east of PJ.

<62+google_merge.jpg>

On Tue, May 21, 2019 at 10:15 AM Ernie via Thursday <thursday at newsm.org<mailto:thursday at newsm.org>> wrote:
All,
Here are a few more pics and the results of my digging for the actual location of Station PJ.
As I stated earlier Station PJ was at an odd angle from all the other buildings in that area.
This is confirmed in the pic from Len's web page as well as the pic in my earlier message with the roof and 2nd story removed.
Attached pics are
1 1962 RI DEM pic
2 Pic from Len's web page.
3 Google Earth pic with Lat Lon displayed.  Lat Lon was gotten from the RI DEM aerial pic then copy and pasted into Google Earth.

Thoughts anyone?
Enjoy
Ernie
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Michael Thompson
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