Boys; Boy Scouts; Buildings; Motion picture theaters; People; Photographs; San Jose (Calif.); Santa Clara County (Calif.)--History;
Black-and-white photograph of Boy Scouts promoting Penrod, the movie in front of a theater. Rudolph Valentino in "Moran of the Lady Letty" also playing at theater.
"This unique piece of apparatus uses Lissajous figures to show that the ratio of the frequency ratios in a diatonic scale are ratios of small numbers. On the side is an air-driven vibrating reed with a small mirror attached to its free end....
Scientific apparatus and instruments; Santa Clara University (Calif.)
""This unique piece of apparatus uses Lissajous figures to show that the ratio of the frequency ratios in a diatonic scale are ratios of small numbers. On the side is an air-driven vibrating reed with a small mirror attached to its free...
