Since my club models a steel mill, let me ask -- by what process was coal tar produced? Was it a byproduct of some other process? And who consumed it? Was it commonly transported in tank cars? Tim O'C

I ordered the digital files of the 5 photos in the Ohio Historical Society Collection. None of these are J&L coal tar tank cars. There are 3 identifiable cars in the photos. All are youngstown sheet a

As I state in my other post, no copyright info was included with the digital files. I also stated that I did not know the copyright status. Rich Orr

I have posted the digital pictures from the Ohio Historical Society. Hopefully, the tank car gurus on the list can provide more information from the photos. Some of the photos appear to be silver cars

First, I want to apologize for stirring the pot to such an extent. That was never my intention. I did remove the photos when an objection was raised. If there is ever a resolution which allows posting

Testors, which now owns Floquil, does not list Barrier on its web site. So I would assume it is no longer in production. Rich Orr

New Brunswick is an alias for Century Schoolbook Rich Orr

According to the discussion in Atlas' forum this is the same offset 2 bay hopper Atlas has offered in the past in new paint schemes and/or new road numbers. Rich Orr

Dave, Try this page at IM's web site. _http://www.imrcmodels.com/ho/hoacc.htm_ (http://www.imrcmodels.com/ho/hoacc.htm) Rich Orr

Don, On the PRR they were used on P30a (troop sleeper), X32 (converted to kitchen cars for troop sleepers), X38 boxcars and G29B gons. Rich Orr