The National Geographic Magazine, Volume 149, Issue 3National Geographic Society., 1976 - Geography |
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Page 384
... glass cylinders absorbs reflected as well direct rays and grows ever hotter as it avels a deceptively lengthy course . Water entering e system ( 1 ) must flow through the inner two of ree nested glass tubes in each section before ssing ...
... glass cylinders absorbs reflected as well direct rays and grows ever hotter as it avels a deceptively lengthy course . Water entering e system ( 1 ) must flow through the inner two of ree nested glass tubes in each section before ssing ...
Page 388
... glass or plastic and angled southward to catch maximum sun- shine . The collectors act as miniature green- houses , trapping heat under their glass plates . Because solar radiation is so diffuse , the col- lectors must cover a large ...
... glass or plastic and angled southward to catch maximum sun- shine . The collectors act as miniature green- houses , trapping heat under their glass plates . Because solar radiation is so diffuse , the col- lectors must cover a large ...
Page 392
... glass cover for solar collecting chamber keeps heat from escaping . Plenum's heat collectors face west and south . Flue for backup furnace Reflective roof surface bounces winter sun rays into collecting chambers and keeps unwanted heat ...
... glass cover for solar collecting chamber keeps heat from escaping . Plenum's heat collectors face west and south . Flue for backup furnace Reflective roof surface bounces winter sun rays into collecting chambers and keeps unwanted heat ...
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American Bartlett beautiful become bell boys Brand buildings built called callosities Canterbury cathedral century changes charges Church coast collection collectors College color cost course cover designed drive electricity Elymians energy engineering face feet female frost future give glass Grades half hand heat Indiana island Italy king land less light live look miles mother mountain NATIONAL GEOGRAPHIC nature nearly Norman offer once Palermo Patagonian Photographs plant produced right whales Roger says School seen serve Sicilian Sicily side society solar solar energy South southern stands stone summer surface things town uplands wall wildlife wind winter wood Write