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forceci out P! attic openlngs. It is reported that the entire sys- tem opera tes at a very 10w cost similar to that of a ~household kitch-. en refrigerator. Time switches can be installed so. that the system Will, autoinatically be turned off, after desired number of hours of oper- ation. Thermostat control dan aise be installed so that thesystem will operate w h en e-ve r temýperature reaches a given Point. It is alIso pointed out that -asideý from summer comfort-cooling, the Coolvent- Sys-1 tem is ideal for winter ventilationi as, well. Ili vite 'Visi tors to _____________ LightinigI nsttitte More than 65,000 men, womnen and1 children attended the lecture dem- onstrations at the Chicago Lighting JJ Institute dur.ing 1938. This attend- an-ce was made .up.of persons 1iom Qvarious schools and college's, church \ clubs and societies, women's clubs, *and professiônal, business and trade organizations. *These programs are presented in the Little theatre of the. Institute, located on the 36th floor of the Civic Opera building. Almost every week- day evening at 8, during the day at hours convenient to the group, Coovent Propeller Fan the institute staff presents lecture- This, creates a gentie circulation of demonstrations, which rnay deal air throughout -every roonm of thie witb 'Lighting for the Am-atewr house and at the sanie time draws Stage," "Garden Lighting" or some in the cool evening air through the other subject, ciepending upon the open windows on the lower floors. request of the group in attendance. Trhe two most popular programs According to U.-S. Weather Bureau are known as the "Color and, Light", temperature reports, based on read- show and the -House of Light Mag-- ings taken in nearly ail sections of ic" show. Either one lasts about th e country, therç, is an average dif- one. and one-haif hours and is pre- ference of approximaàtely 5 to 20 i sented to any sized group above ten degrees between 1 heat-of-the-day" persons and nôt exceeding 300. temperatures and the cooler evening: Managing Director Carl W. Zer- readinigs. For'iristance,. with outside sen extends an invitation to al mid-day temperatures of 85 to 9D groups and individuals on the North degrees attics that are flot ventilatedi Shore to become1 guests of the insti- attaîn temperatures from 120 to .140 tute and attend these lighting dem- This is th ea&rly Amenican- Colonial six room home o f Mr' and. Mrs. Boyd fL. Hen- derson at 860 GZencoe drive, Glencoe. Frank A. McNaflly and associâtes were- the arc hitects and Thomnas Sul- liva-n. Jr., the: bUüildr. This is thé home, of Mr. and. Mrs. Kenneth V. Reed: at 1»40 Hohlfelder latie, Glen- coe. F. Claire Hinley mas the architect and llolm Arbuthnot the general con- tractor.* Harry WV. Ekmnan owns thiR six rooin Georgian house at 2153 13eechwood a v e n u e , Wilmette. 0f brick veneer and f ramne. it was built by' Carl E. Ericksot compaiw. J. Edivin Quinn was -the architeet. Six rmomt American Colonial residence. built at ý1035 Evlmi street, Winnetha, for Ed- wvard J. Lehman.* k. L. ken- redu iwas the designer and builder. in tht theL can