Current wind power technology is not economically feasible throughout most of the United States due to low average wind speeds. A design for a small-scale wind concentrator device suitable for use in areas of low wind velocity was tested using...
A collage of a woman being photographed; a small triangular photograph in the upper left corner of the same woman in the photography studio reception room (see ULPA 1977.01.178); and a small rectangular photograph in the bottom right corner of the...
Entrance to Mammoth Cave: a large hole with foliage on its far side and a rocky dirt path which curves around it at the front of the photograph. Along the rim of the cave there is an interesting tree which grows horizontally and is curved in the...
Man standing at the rim of a large round opening built with stone. Behind him is a small hill of rocks with mountains in the background. Text on left: Hoosac Tunnel Series. Text on right: North Adams & Vicinity. Descriptive information on back...
"This mosaic decorated the bottom of a shallow pool […]. The hole at its center belonged to a water jet. […] Its border consists of a band of twisted ribbon between plain bands. The emblema shows one of the popular episodes related to the...
"In the center Achilles, still in a girl's clothes, is shown advancing to his left about to rush in the direction from which the sound of the trumpet comes. He is represented as a beautiful youth with red hair, his face bearing a feminine...