- Back
-
Title: Grinnell automatic sprinkler head for fire extinguishing [Go to resource]
Description: Grinnell automatic sprinkler head for fire extinguishing License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Grinnell, F. (designer) Identifier: 1912-117 Go to resource More Like this...
[Edit] - Back