

Mat 8, 1919. 



The Florists' Review 



103 



w 



m 



Cross Section View of 

 Fisher Air Trap Type 

 30, showing how air is 

 relieved. 



Get Rid of the Air! 



You can't have efficiency — results are bound to be 

 unsatisfactory with air in the mains. It does get in— 

 you can't keep it out. But you can PUT it out — get 

 rid of it instantly with 



Fisher Air Trap Type 30 



It will relieve an entire system if placed at the high point, and you'll never 

 have any more disturbing, annoying hammering. It responds quickly to 

 the action of air, yet never leaks a drop of water. It's an inexpensive 

 device that's worth its weight in gold to any hot water system. 



Fisher Reducin^r 

 Valve Type 1 1 -A 



Where the water supply- 

 must be taken from mains 

 which also carry Are pres- 

 sure this Reducing Valve 

 is a safeguard to your en- 

 tire system. No matter 

 what the outside pressure 

 may be, only the desired 

 fixed pressure can pass 

 through the valve. The 

 expanded outlet effects a 

 wonderful economy in in- 

 stallation. 



Fisher Float 



Valve Type 17 



A sturdy, dependable 

 valve that maintains a 

 fixed level in open tanks. 

 It is automatic and the 

 level is determined by a 

 simple adjustment of float 

 lever. It is designed for 

 pressure of 250 pounds 

 and every valve is air 

 tested for tightness. 



The Fisher Greenhouse Economizers shown above and many 

 others are described in our catalogue. May we send it to you? 



The Fisher Governor Company 



g Agencies in All Principal Cities. 



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Home Office: MARSHALLTOWN, IOWA. 



