Glass fibers can also occur naturally, as Pele's hair. Glass wool, which is one product called fiberglass today, was invented in 1932â1933 by Russell Games Slayter of Owens-Corning, as a material to be used as thermal building insulation.he first type of glass used for fiber was soda lime glass or A-glass (A for the alkali it contains). It is not very resistant to alkali. A new type, E-glass, was formed; this is an alumino-borosilicate glass that is alkali This was the first glass formulation used for continuous filament formation.
Average Temperatures in Port-Au-Prince, Haiti. 1  The mean annual temperature in Port-Au-Prince, Haiti is very hot at 28.1 degrees Celsius (82.6 degrees Fahrenheit).
High temperatures occur in July, the warmest month, averaging in the mid to upper 80s. Low temperatures in January, the coldest month, average in the low to mid 20s. Since 1871, the mean temperature for Baltimore has been 54.6 degrees Fahrenheit, according to the Maryland State Climatologist Office. The highest recorded annual average temperature was 59.2 degrees in 1931, and the lowest was in 1904, at 52.6 degrees. Murals on a sunny day, Wells St. at Hanover St., Baltimore, Maryland, July 2003. Photo by Diane F. Evartt.