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Show Woman Heating Home With Device Trapping Heat From Sun's Rays DOVER, MASS. Dr. Maria Tel-kes Tel-kes heats her home with an 800-square-foot glass and metal device de-vice that traps the sun's rays for her "solar house." The rest of the heating system consists of a cheap chemical unit that Dr. Telkes developed de-veloped in experiments at the Massachusetts Institute of Technology. Tech-nology. The pioneer model cost about $3,000 to install but Dr. Telkes expects ex-pects it to operate indefinitely without additional expense. There are other benefits besides the end of fuel .bills, she says. No fire hazards. No coal or oil shortages. No transportation tie-ups. And no coal-shoveling, ash-carrying or mechanical me-chanical breakdowns. , To find out whether the unit will heat the house during the cold weather, she will live in her five-room five-room home during the winter without any other source of heat. She won't pronounce the expert-1 ment a success until she's been through the bitterest part of the winter. From the heat trap built Into the south side of Dr. Telke's house, the solar warmth is conducted to a series se-ries of "heat bins." Each bin contains con-tains an inexpensive chemical compound com-pound known as sodium sulfate dekahydrate. When the chemical is warmed, it melts and absorbs heat. When it solidifies. It releases the beat. A theromstatic control system is connected to each bin which in turn is hooked up to warm air registers. When the thermostat is adjusted to raise the house temperature, tem-perature, stored heat is released from the chemical and wafted into the rooms via the registers. Dr. Telkes said the chemical can store heat up for ten days. |