MAKE A MEME View Large Image JOHN KEYS, PRESIDENT OF INTERNATIONAL SOLARTHERMICS CORPORATION, BESIDE A CUTAWAY MODEL OF THE BACKYARD SOLAR HEATING... - NARA - 557332.jpg Scope and content JOHN KEYS PRESIDENT OF INTERNATIONAL SOLARTHERMICS CORPORATION BESIDE A CUTAWAY ...
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Keywords: JOHN KEYS, PRESIDENT OF INTERNATIONAL SOLARTHERMICS CORPORATION, BESIDE A CUTAWAY MODEL OF THE BACKYARD SOLAR HEATING... - NARA - 557332.jpg Scope and content JOHN KEYS PRESIDENT OF INTERNATIONAL SOLARTHERMICS CORPORATION BESIDE A CUTAWAY MODEL OF THE BACKYARD SOLAR HEATING SYSTEM DEVELOPED BY HIS COMPANY THE FIRM USES CUP-SHAPED SOLAR COLLECTORS RATHER THAN FLAT ONES CLAIMING SUCH CUPS PROVIDE A LARGER COLLECTOR SURFACE FROM A SMALLER AREA AND ALLOW A SMALLER UNIT TO BE USED NORMAL RULE OF THUMB FOR FLAT PLATE HOT AIR SOLAR COLLECTORS NOT THE ONE SHOWN IS THAT ONE HALF OF THE SQUARE FOOTAGE OF THE HOME IS THE AREA REQUIRED FOR REASONABLE EFFICIENCY General notes 557332 Local identifier 412-DA-14880 Environmental Protection Agency 12/02/1970 - NARA-Author Norton Boyd 1936- Photographer 1111093 <br /> Nederland Boulder Colorado United States North and Central America inhabited place 3315168 39 95 -105 5 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 05/1975 Record group Record Group 412 Records of the Environmental Protection Agency 1944 - 2006 Record group ARC 708 DOCUMERICA The Environmental Protection Agency's Program to Photographically Document Subjects of Environmental Concern compiled 1972 - 1977 Series ARC 542493 File unit File unit ARC Variant control numbers Agency-Assigned Identifier 248/60/014880<br /> NAIL Control Number NWDNS-412-DA-14880 Other versions <gallery> File JOHN_KEYS _PRESIDENT_OF_INTERNATIONAL_SOLARTHERMICS_CORPORATION _BESIDE_A_CUTAWAY_MODEL_OF_THE_BACKYARD_SOLAR_HEATING _-_NARA_-_557332 tif tif File JOHN_KEYS _PRESIDENT_OF_INTERNATIONAL_SOLARTHERMICS_CORPORATION _BESIDE_A_CUTAWAY_MODEL_OF_THE_BACKYARD_SOLAR_HEATING _-_NARA_-_557332 jpg jpg </gallery> NARA-cooperation PD-USGov Solar power in Colorado
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