Chief Nicholas declared the German invention impracticable. "It is much too heavy to carry," he said, "it does not allow a fireman to bend over and in Winter the constant stream of water directly over ...

Grinnell 'Duraspeed' soldered fire sprinkler head, type 'B', made by Mather & Platt, Manchester, 1933-34. Part of sprinkler collection showing the development of fire sprinkler heads from 1885 when ...

He struck the fire sprinkler head, which then exposed a hidden camera inside it, the police report says. The kitchen staff had recorded the camera with his phone and reported to the Assistant ...