Kewanee.

A solid-state guardian cf your heating needs--with no moving The Comfort Computer has several advantages over conventional thermostat or zone control mechanisms including outdoor temperature sensors.

PLAINTIFF'S EXHIBIT 1-GAAMERICAN STANDARD 1-GA-E 4 Standard gas boiler Empire gas boiler water only series 10B 1-GA-4-E 1-GA-5-E 1-GA-6-E Cast iron repair parts tor this Poiler will be piscontinued as follows: series 10B - Dec. 31, 1974 Jacket parts for this boiler are no longer available.

--^^^IVINTER^AIR CONDITIONERS ''f '-S-l^ or Iperiormanci ^^durabiiity ^ sbeauty 03613 CONSTRUCTION FEATURES "ALLERTON"-- Coal Fired Model RADIATOR is large r, more massive.

ARCO No. 2001 EQUATROL ;i.

FAULTS THAT FLASH A SIGNAL TO ADT These Defects Shut Down Complete Plant leak In brine system drops liquid level to trip Boot switch Drop In brine tomperoture operates detocter in cooler hood Failure of cooling water flow sets off pressure-control reloy Interruption of dc feed to motors drops out voltoge relay Excessive refrigerant-pressures operate high-pressure cutouts These Defects Shut Down Individual Machines By NILS R BCRNZ a jfVka Ptaiidanl and DlrtCtOt of Ingtg MerrAonh Refngtrotion Co .7 - Here is another milestone inj Ht the trend toward automatic V \ plant operation.

PLAINTIFF'S EXHIBIT Largest Selling Steel Boiler for Heating Big Buildings This sawed-in-two Kewanee Type "C" shows why!

TECHNICAL BULLETIN CATALOG PACKAGED OIL-FIRED BOILERS .

DE LAVAL i : TURBINE GENilATO#5 provide more power- f VV IWAIN Idltar fdUor Co<ll''bufl*n0 (Silor /iiMi'of* Iditof Atorloft tdhof Atiotiaf tdltar Attotlet* tdifOf Auetioto Id'lOf AtiiMoni Idiioi Ait fdilo> _-lnc HCWI SU*IAUS>.

More PRACTICAL IDEAS.

f.ep# III ?

Bw* part oi th HBPUB- rrte' Control Syitem lhat to th ]matowa &fAwiUd, oasiuJ ep*f gtjjftir# bolUr oan figj ihU locUloa.

j{S last 20 to 50% longer, on the service.

echanical Governing System Makes Rapid Response to Load Changes "Easy to Start...Simple to Adjust" Report Operators at New Person Station o*ce with power demands which have nearly jn the lost four years.