Grinnell type C fire sprinkler head | Science Museum Group Collection
![Grinnell - Vintage 1947 - B47 - 165 - Sprinkler Head 1/2" NPT Brass - Lot of 10 | eBay](https://i.ebayimg.com/images/g/hbQAAOSw691jfjT4/s-l1200.webp "Grinnell - Vintage 1947 - B47 - 165 - Sprinkler Head 1/2" NPT Brass - Lot of 10 | eBay")
Grinnell - Vintage 1947 - B47 - 165 - Sprinkler Head 1/2" NPT Brass - Lot of 10 | eBay
Discount Promotion Fire Sprinkler Heads Grinnell A SSU 22S2 Fire Sprinkler Head Upright 1/2'' NPT 1995 286 141 New Era Memorial Gift for Birthday, Christmas
GRINNELL Fire Sprinkler Heads for sale | eBay
Grinnell quartzoid bulb sprinkler, 1927 | Science Museum Group Collection
Collecting Fire Sprinkler Heads - 325° Grinnell Quartzoid upright with manual pull tab. Special purpose head combining a standard automatic sprinkler with a mechanical release tab which can be remotely operated by
This is me working on old Grinnell Fire Sprinkler Dry Pipe… | Flickr
Grinnell automatic sprinkler head - APH Museum
![ANTIQUE VINTAGE GRINNELL 1910 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay](https://i.ebayimg.com/images/g/rfwAAOSwiTVjmkyH/s-l1600.jpg "ANTIQUE VINTAGE GRINNELL 1910 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay")
ANTIQUE VINTAGE GRINNELL 1910 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay
![Grinnell - Vintage 1947 - B47 - Sprinkler Head - 1/2" NPT Brass | eBay](https://i.ebayimg.com/images/g/ODkAAOSwDANhshvZ/s-l1600.jpg "Grinnell - Vintage 1947 - B47 - Sprinkler Head - 1/2" NPT Brass | eBay")
Grinnell - Vintage 1947 - B47 - Sprinkler Head - 1/2" NPT Brass | eBay
1966 Grinnell Quartzoid Upright Fire Sprinkler Head | eBay
A&D Flexographic, Inc. - GRINNELL QUARTZOID SPRINKLER ** LOT OF 6 ** SSU-3 458A NOS (Powered by CubeCart)
Amazon.com : Grinnell 458A Upright Sprinkler Head 17/32" : Tools & Home Improvement
File:Grinnell automatic sprinkler advertisement.png - Wikimedia Commons
Fire Sprinkler Heads — 1933 Grinnell picker trunk model. Used in duct...
History of Fire Sprinkler Systems - RAD Fire Spinklers
Vintage Grinnell Automatic Sprinkler Bell Stock Photo - Alamy
![ANTIQUE VINTAGE GRINNELL 1914 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay](https://i.ebayimg.com/images/g/G~EAAOSwFTVdSE8S/s-l1200.webp "ANTIQUE VINTAGE GRINNELL 1914 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay")
ANTIQUE VINTAGE GRINNELL 1914 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay
![ANTIQUE VINTAGE GRINNELL 1916 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay](https://i.ebayimg.com/images/g/cKIAAOSwmVdjmk1h/s-l1200.jpg "ANTIQUE VINTAGE GRINNELL 1916 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay")
ANTIQUE VINTAGE GRINNELL 1916 155 "A" FRAME BRASS FIRE SPRINKLER HEAD | eBay
1930 Grinnell Fire Sprinkler | Fire sprinkler system, Fire sprinkler, Sprinkler
Manufacturer: Grinnell, 1882 | Fire sprinkler system, Fire protection, Fire sprinkler
Grinnell fire sprinkler head | Science Museum Group Collection
Grinnell 'Duraspeed' soldered fire sprinkler head | Science Museum Group Collection
Inevitability of the Fire Sprinkler
![Grinnell Upright Sprinkler Head SSU-2 [Lot of 3] NOS – governmenttransitsurplus.com](https://governmenttransitsurplus.com/cdn/shop/products/20220630125126a_1024x1024@2x.jpg?v=1657216926 "Grinnell Upright Sprinkler Head SSU-2 [Lot of 3] NOS – governmenttransitsurplus.com")