Re: Philadelphia Quartz Type 21 tank car

John Hile <john66h@...>

--- In, "Allen Cain" <allencain@...> wrote:

I have always assumed that these cars would have serviced glass making
industries but I am curious as to what other industries these might have
serviced in the early 1950s.


Here is a link to a PQ Corp web page with a company history. It
touches on the products manufactured by Philadelphia
known as PQ Corporation.

Hope this is helpful,

John Hile
Blacksburg, VA

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