List of known manufacturers of cast-iron sewer vents

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The shaft and top of the sewer vent are more likely to have been replaced, so a typology by base makes most sense.

Sewer vent manufacturers and characteristics of their sewer vent bases
Name of Ironworks Town Country Wikidata Description of sewer vent base
Adams Hydraulics Ltd, York York England Q120669564 Several models:
  • Cylindrical, non-fluted shaft with the words "Adams Hydraulics Ltd York" running bottom to top, above it, two rings, then a wider bulging ring[1].
  • Cylindrical, non-fluted shaft with the words "Adams Hydraulics Ltd" at the bottom part of the pedestal running bottom to top and "York" on the upper part of the pedestal[2].
  • Cylindrical, 8 (?) inverted flutes with the words "Adams Ltd York" running top to bottom[3].
Drogheda Ironworks Drogheda Ireland Q120693754 Overall cylindrical. Wider non-fluted base with the maker's mark on elliptic plate, followed by fluted part (20 flutes), a narrow ring, followed by another fluted part with shorter flutes. Then wider bulged ring similar to Adams Hydraulics and Tonge & Taggart, but lower part concave.
T S Colbourne, Barnstaple Barnstaple England Q120714262 Cylindrical, no flutes. Maker' mark has "T S Colbourne" in a crescent above the horizontal line "Barnstaple"[4].
C.E.Rogers Engineers Watford Watford England Q120722167 H.J. Rogers: Square base with chamfered edges, maker's mark "H.J. Rogers Engineer Watford" and initials on the other sides of the base.
Express Valve Services West Midlands England Q120801883 Overall conical. Non-fluted base with maker's mark, above fluted part, followed by shorter, non-fluted part.
Tonge & Taggart Limited Dublin Dublin Ireland Q120751139 Might have three models:
  • Overall cylindrical. Wider non-fluted bottom, above a fluted part with 18 flutes, a narrow ring, followed by another fluted part with shorter flutes. Then wider bulged ring similar to Adams Hydraulics. Maker's mark at bottom most part with the words "Tonge & Taggart Limited Dublin"[5].
  • Model without maker's mark: very similar in design, but 24 flutes (double-row as above)[6].
  • Dublin only: Bulbous base with date 1909 or 1912 and inscription "S.D. R.D.C" (South Dublin Rural Development Council) above maker's mark on one side and date on the other side
Hammond Lane Dublin Dublin Ireland Q120754577 Overall cylindrical with different width of the parts. Maker's mark with the words "Hammond Lane Dublin Foundry ??[7]" at the bottom most part. No flutes.[8]
Shannon Foundry Limerick Limerick Ireland Q120765257 Might have two models:
  • Conical base with 26 flutes, maker's on top part of base with the words "Shannon Foundry" in a half-circle and "Limerick" horizontal below.
  • Unmarked model, i.e. no maker's mark, but very similar design with 26 flutes.
Jackson Engineering Limited (still active in 2023) Castlebar Ireland Q120735373 Several models:
  • Overall cylindrical, 20 flutes with inspection flap (for example Kilkenny, Ireland)
  • overall cylindrical, not flutes and no collar (for example Dungarvan, Co. Waterford, Ireland)
Leahy's Thurles Thurles Ireland Q120752835 Overall cylindrical. Wider bottom with maker's mark "Leahy's Thurles", above a narrower, fluted element, yet above a narrower, non-fluted part.
Ham Baker & Co Westminster Westminster England Q120925758 Cylindrical with fluted base.
Wm E. Farrer Ltd Birmingham Birmingham England Q120926272 Cylindrical, double fluted with with maker's mark "Wm E Farrer Ltd Birmingham"
Needham Stockport England Stockport England Q120926447
Fredk Bird & Co Engineers [...] London London England Q120986284 Many fluted pedestal with large access flap and maker's name on it.
A.C. Woodrow & Co London London England Q120925508
Express Valve Services (still producing) Brierley Hill England Q120801883 Non-fluted lower base with access cover and maker's mark on far side. Fluted base with non-fluted part above. Might come with Victorian style lantern or cage on top.[9]

References

  1. ↑ See https://commons.wikimedia.org/wiki/File:Adams_Hydraulics_York_sewer_vent_2.jpg
  2. ↑ See https://commons.wikimedia.org/wiki/File:-2022-07-02_Stench_Pipe_base,_Surlingham,_Norfolk,_England.jpg
  3. ↑ See https://commons.wikimedia.org/wiki/File:Sewer_vent_pipe,_Antrim_-_geograph.org.uk_-_3031492.jpg
  4. ↑ See https://commons.wikimedia.org/wiki/File:The_remains_of_a_sewage_vent_pipe_bearing_the_name_T_S_Colbourne,_Barnstaple_-_geograph.org.uk_-_4663072.jpg
  5. ↑ See https://commons.wikimedia.org/wiki/File:Tonge_%26_Taggart_maker%27s_mark.jpg
  6. ↑ See https://commons.wikimedia.org/wiki/File:Sewer_vent_on_Stradbally_Road,_Portlaoise.jpg
  7. ↑ See https://commons.wikimedia.org/wiki/File:Sewer_vent_on_Grattan_Street,_Portlaoise.jpg
  8. ↑ See https://commons.wikimedia.org/wiki/File:Sewer_vent_near_railway_station_in_Portlaoise.jpg
  9. ↑ technical specifications on manufacturer's website
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