Modified Witter sprinkler head, 1898
Early Dowson and Taylor sprinkler head, 1886
Firefighting Sprinkler head
Grinnell sprinkler head (used)
Fire sprinkler head made under licence by Mather & Platt
Fire sprinkler head
Grinnell fire sprinkler head
Fire sprinkler head
Fire sprinkler head
Fire sprinkler head with metal sphere filled with mercury
Fire sprinkler head made by Mather & Platt
Fire sprinkler head made by Morris Sprinkler Co. Ltd
Sectioned Grinnell sprinkler head
1881-1950
Mather and Platt Fire Pump System Sprinkler Head
circa 1938
Fire sprinkler head collected by Mather & Platt
Harkness fire sprinkler head (similar to Grinnell sprinkler)
Grinnell 'Duraspeed' soldered fire sprinkler head
Walworth upright fire sprinkler head collected by Mather & Platt
Neracher fire sprinkler head
Fire sprinkler head collected by Mather & Platt
Fire sprinkler head
Fire sprinkler head
Fire sprinkler head collected by Mather & Platt
Parmlee fire sprinkler head
Manufacturers C-type fire sprinler head
Grinnell type C fire sprinkler head
Witter (UK) fire sprinkler head
Fire sprinkler head
Draper fire sprinkler head
