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Does the alcohol ever remove paint from trucks, etc. that are visible after the shell is replaced on the engine?

Thanks for describing your experiences. I had read your previous posting with interest, but this reply provided some additional detail. It sounds like I can save quite a bit of time by disassembling the engines, but using the ultrasonic cleaner to remove all of the dirt, grease, etc. Did you...

I am in the process of cleaning about 75 Athearn HO engines (mostly diesel) and a few Rivarossi HO scale steam locomotives. All of these had been stored for maybe 10 years, probably in a hot environment like an attic. I have been disassembling and cleaning by hand with good results, but this...

The following web site provides a nice summary of different transistor packages: http://www.necel.com/discrete/english/products/transistor/pkgquick.html

I compared this item to some of the standard transistor packages and discovered that there are some similar packages, although none of the standard packages have a large hole through the part. Both SP-8 and SST packages are about the right size. Of course, these transistor packages have three...

Is there any simple way to test a component to determine if its a voltage regulator? I have examined this item with my DMM, but that didn't tell me much. I do have a LCR meter available. Could that be used to learn anything?

This might be some sort of power pickup for lighting a caboose, passenger car, etc. I don't understand the reasons for the particular construction, but that doesn't mean much.

I doubt this is a voltage regulator because its relatively small. The rectangular body measures .290 high by .190 wide by .068 thick. The hole is .080 in diameter. The result is a fairly small volume. The two protrusions on top are extremely small - only .011 in diamter. Although it is...

I do not know if they are still located in Woodland, CA, but here's their current web site: http://www.precisionscaleco.com/ The current address is in Stevensville, MT. My items came in packages with the Woodland, CA address. I do not know the age of these items, so they may have moved many...

Good suggestion. I have sent the photo to Precision Scale Co. I will post any feedback to this forum.

By the way, thanks for the suggestion. I will look into unijunction transistors and similar devices.

I should have mentioned this in my original posting. There are no markings on the device itself. Even under magnification, I could not find any markings, logos, etc. The black wire actually exits the side of the device. The two short protrusions on the top (one is notably shorter than the...

I need help identifying an item distributed by Precision Scale Co. based in Woodland, CA. I have two packages each containing one item as shown in the attached photo. For the photo, I removed one item from its package and left the second in the package. The packaging provides no identification...