Cambria Iron Works (Johnstown, PA) comes to mind. They would have been
operating at the time, although I don't know if they cast pipes.

On Feb 23, 2017 1:00 PM, "Keith Doms" <[log in to unmask]> wrote:

> Actually, I curse my dyslexia, the letters are "CIW".   I am assuming that
> it should be C...  Iron Works.     The joint is somewhere underground and
> not currently accessible.  It may even be under the modern road.   It is
> assumed that the race was culverted when the paving of the road under which
> it passes.  From what I read the greater Philadelphia area was a major
> producer of cast iron pipes until the 1880s when production centers moved
> south and west.  Thus far, I have not been able to locate any list of
> foundries from the region.  I did see a listing for the Chattanooga  Iron
> Works but the record indicated that that firm only produced frying pans and
> small goods.
>
> Keith R. Doms
> Newlin Grist Mill
> Site Manager
> 219 S. Cheyney Rd.
> Glen Mills, PA  19342
> (610) 459-2359
> [log in to unmask]
> -----Original Message-----
> From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of Bob
> Skiles
> Sent: Thursday, February 23, 2017 12:23 PM
> To: [log in to unmask]
> Subject: Re: Cast iron pipe
>
> Keith,
>
> Are you absolutely sure that it's CWI [C.W.I. ?] and not CWT ? Have you
> ever seen how the lengths of pipe are joined (bell & spigot, butted,
> flange-and-bolt) ??
>
> Perhaps the easiest approach to identification is an archival approach.
> For such a major project (a 30" water main would be considered a "major"
> project, even in Texas) there were doubtlessly copious records in the
> books of the governmental authority (county / city ?) who actually
> bought-and-paid-for installation of the pipe. On such projects, it is not
> uncommon to find recorded lengthy discussions prior to the project over
> which particular pipe/manufacturer would be best, then there's the bidding
> records (usually replete with historical information on the type of pipe /
> manufacturer testimonials / comparative testing results / pertaining to
> usually several bidders). I would go down to the local-temple-of-justice
> (courthouse / municipal records building) and give a quick perusal through
> the purchasing / bidding records for the water projects for the period you
> suspect the pipe was laid (if they have not all been incinerated in past
> courthouse fires, like a lot of them have been across the South where we
> stupidly built wooden courthouses during earlier settlement).
>
> SOMETIMES the archival approach in local records may give surprisingly
> quick-and-easy answers (for example, I was once working on trying to
> identify various fragmentary construction artifacts from a previous Texas
> courthouse covered by the modern one ... quite a problem until I found the
> record book of the Commissioners Court where every single item that was
> purchased for the old courthouse had been tediously itemized as to cost and
> supplier).
>
> Bob Skiles
>
>
> On 2/23/2017 7:31 AM, Keith Doms wrote:
> > Unfortunately, my copy of American Iron is awol.  Can anyone out there
> check the index to give me a clue please?
> >
> > Keith R. Doms
> > Newlin Grist Mill
> > Site Manager
> > 219 S. Cheyney Rd.
> > Glen Mills, PA  19342
> > (610) 459-2359
> > [log in to unmask]
> >
> > -----Original Message-----
> > From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of
> > Patrick Martin
> > Sent: Wednesday, February 22, 2017 10:19 PM
> > To: [log in to unmask]
> > Subject: Re: Cast iron pipe
> >
> > Must be some ironworks with CW name. Don't have resources at hand out on
> a road trip, but I would start with Bob Gordon's American Iron as a key
> source.
> > PEM
> >
> > Sent from my iPhone
> >
> >> On Feb 22, 2017, at 6:34 AM, Keith Doms <[log in to unmask]>
> wrote:
> >>
> >> Has anyone come across cast iron pipe with the Letters "CWI" molded on
> it?  We have a 30" id. Pipe with "CWI 1884".  Any thoughts about the
> manufacture?
> >>
> >> Keith R. Doms
> >> Newlin Grist Mill
> >> Site Manager
> >> 219 S. Cheyney Rd.
> >> Glen Mills, PA  19342
> >> (610) 459-2359
> >> [log in to unmask]<mailto:[log in to unmask]>
>