| Description | 1) Hildred's Patent Sewer and Drain Ventilator (25 Jan 1872)
2) Siemens and Adamson's Patent Water Meter (1 Jan 1884)
3) F. Siemens' Patent Regenerative Gas Burner (1 Jul 1884)
4) Ginman's Patent Pipe Scraping Machine (1 Aug 1885)
5) Improved Lock-Bayonet Hose Coupling (1 Sep 1885)
6) Improved Sluice Cock (ND)
7) Fire Cocks and Street Fittings (ND)
8) Fittings for Watering Gardens (ND)
9) Fittings for Watering Gardens (ND)
10) Fittings for Watering Gardens (ND)
11) Beck's Patent Valves, Hydraulic, Gas, & Steam Fittings etc. (ND)
12) F. Siemens' Patent Regenerative Gas Burners (ND) |