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» Film-Tech Forum ARCHIVE   » Community   » Film-Yak   » Went Antique Hunting Today, And This Is What I Came Up With. (Page 3)

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Author Topic: Went Antique Hunting Today, And This Is What I Came Up With. Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 07-11-2003 01:49 AM                     Phil, the "mist" is just weak Budweiser. Much cheaper, too. 99 cents for a 24 oz'er. Budweiser is too expensive, and I am "cheap" That meter (I think) was the navy's version of the TS-352B/U. I think it is the same as the TS-543 you mentioned, but I could be wrong. The navy loved those meters...they were one of the most accurate analog meters of their day. I paid 10 bucks for it, and it works. The smaller meter in the background is the TS-297/U. US Army surplus, but it is a 1000-ohm per volt job on both the AC and DC scales. It is kinda accurate, and it is a good meter to "see if you have something there" - but that's about it. You don't want to use something like that for calibrating a power supply that has "no balls."  |  IP: Logged Phil Hill I love my cootie bug Posts: 7595 From: Hollywood, CA USA Registered: Mar 2000 posted 07-11-2003 02:26 AM                  Yes! It was the 352 I was thinking of....I must have been smokin' some of Brad's Rockwall I-30 stuff! I still use my 20-year-old Triplett 630 NS for my main analog meter... CAN NOT be beat! >>> Phil  |  IP: Logged Sam Hunter Jedi Master Film Handler Posts: 779 From: West Monroe, LA, USA Registered: Jan 2002 posted 07-11-2003 09:40 AM                     Windows Paint. I was lazy and couldn't think of a better way to do it.  |  IP: Logged Chris Markiewicz Expert Film Handler Posts: 209 From: Glenaviegh, County Tipperary, Ireland Registered: Aug 2002 posted 07-12-2003 05:22 PM                     Triplett 630s ROCK!  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 07-14-2003 12:25 AM                     Chris, the Triplett is a damn good meter. The navy had some, but it gave way to the TS-352. Why, I don't know. I could only guess because the Triplett was not too easily identified as being military property as it traveled through the gate in the trunk of a car. The TS-352 stuck out like a sore thumb, like the TV-7B/U (which was manufactured by Hickock), AN/USM-24C Oscilloscope, and other universal test equipment. Phil probably remembers the 24C quite well. It had a 3-inch CRT, and if you didn't open the back door all the way, the 24C would heat up hotter than a firecracker. True, the back door was interlocked, but the navy had plenty of numb-nuts that just opened the door far enough to close the interlock.  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 09-26-2003 01:23 AM                     Added another Philco radio to my collection Tuesday. This one has a built-in 78RPM phonograph. You flop the speaker loover down and the phonograph pops out. (kinda like the old secretary desks that had a hide-away typewriter)  |  IP: Logged Hillary Charles Jedi Master Film Handler Posts: 748 From: York, PA, USA Registered: Feb 2001 posted 09-26-2003 07:35 AM                     Paul, I have one of these also. When I was checking out the high end on the AM band (further than I had seen on modern receivers), I started hearing neighbors telephone calls, presumably on cordless phones. The dial says "Police Band" or something like that...not anymore. Hillary  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 09-26-2003 12:26 PM                     Hillary, I would presume it was the older cordless telephones that found its way through. The older radios were very sensitive. The antenna signal is booseted by one or more RF amplifiers. Not today. The antenna signal is just dumped right into the converter. Works fine...as long as you are sitting on the transmitter. In the police band, you might have been picking up a harmonic of the telephone's RF signal. You would be surprised on what you can pick up in those old radios that are up to snuff. Several times while I was playing around with them, I connected an RF signal generator to the radio and "beat" its output with an incoming RF signal. The difference between the two signals gets through the RF amplifier, gets processed through the radio and out of the speaker comes some foreign language from a distant country. In the converter stage's output, you will have four signals: the two orginals (the local oscillator and the station you are tuned to) and the sum and difference of those two frequencies. The Intermediate Frequency cans in the radios is tuned to receive the difference of the two signals, and that is called the Intermediate Frequency. It is then detected by the detector, the RF is filtered out, and all you have left is audio. It yours is in good condition (working or not) hold on to it. I paid $129.00 for mine. Given it's condition, I think I got a good deal. The value of these old radios depends on the eye of the beholder.  |  IP: Logged Jeff Stricker Master Film Handler Posts: 481 From: Calumet, Mi USA Registered: Nov 1999 posted 09-26-2003 03:02 PM                     Paul, that's a sharp radio. The cabinetry looks like the day it left the factory. Hillary, years ago the police band was right about the AM broadcast band. More recently, cheap wireless phones used this area of spectrum. Of course the AM band is now expanded to 1700 kHz. There's not much between 1700 and 1800 (some cordless phones that haven't yet been tossed out) The 160 meter Amateur band is 1800 - 2000 kHz. If you can tune there in the evening hours you will hear some hams using AM, which your old radio will pick up (Single sideband will sound like Donald Duck on a receiver that that picks up AM). There's a group of hams on 160 meters that run old converted AM broadcast transmitters. That's heavy metal!  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 10-03-2003 12:52 PM                     Here is a picture of the Philco 40-215 chassis in work. This thing is a real bear!! Hopefully, it'll be far enough along by tomorrow to power it up. Orginally in 1940, this radio featured a Wireless Remote Control. Unfortunately, someone removed the stepper relay from the radio. The motorized volume control is still intact but the bull gear has a broken tooth. Although it works, I have to be careful about how far I let it ramp up with the motor. I think I can repair the gear but I'll worry about that later. I am still optimistic about getting it in operation. There is a possibility I might be able to find a stepper relay for it. If I can, I'll get that in operation, too. The actual remote control consisted of a No. 30 tube, a 45-volt battery and a filament supply. Naturally, it had some oscillator coils in it, too. I should be able to build one if I can't find one.  |  IP: Logged Sam Hunter Jedi Master Film Handler Posts: 779 From: West Monroe, LA, USA Registered: Jan 2002 posted 10-03-2003 01:03 PM                     I see you switched brews there Paul  |  IP: Logged

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