Mining
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nnnomad27
I have 3 type 'M' mine safety lamps made by Mine Safety Appliances Co. of Pittsburgh, PA. Originally made by the Wolf Co. which was bought by Mine Safety Appliances Co. in 1965. Trying to establish a value for them. I know already they were made after 1965 because of the Mine Safety Appliances vs. Wolf Co. stamp on it. Thanks.
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replied to:  nnnomad27
nnnomad27
Replied to:  I have 3 type 'M' mine safety lamps made by Mine...
Testing this thing to see if question was posted.
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