01724nam 2200397Ia 450 991069538090332120161214080936.0(CKB)5470000002368938(OCoLC)71429960(EXLCZ)99547000000236893820060921d1984 ua 0engurcn| |||||txtrdacontentcrdamediacrrdacarrierThe repair and thermal upgrading of historic steel windows[electronic resource] /Sharon C. ParkWashington, D.C. :Technical Preservation Services, National Park Service, U.S. Dept. of Interior,[1984]1 electronic text HTML filePreservation briefs ;13Title from title screen (viewed on Sept. 20, 2006)."September 1984.""The web versions of the Preservation Briefs differ somewhat from the printed versions. Many illustrations are new, captions are simplified, illustrations are typically in color rather than black and white, and some complex charts have been omitted."Includes bibliographical references.WindowsThermal propertiesUnited StatesHistoric buildingsConservation and restorationUnited StatesWindowsThermal propertiesHistoric buildingsConservation and restorationPark Sharon C1381060United States.National Park Service.Technical Preservation Services Branch.GPOGPOBOOK9910695380903321The repair and thermal upgrading of historic steel windows3425860UNINA