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...
Scientific apparatus and instruments; Santa Clara University (Calif.); Anamorphosis (visual perception)--Instruments
Described as one of many ""Fine Optical Toys"" in James W. Queen's Catalogue of Microscopes, Accessories and Sundries, 1890, the anamorphoscope mirror rectifies distorted drawings.
Scientific apparatus and instruments; Santa Clara University (Calif.); Simple machines; Archimedean screw
A simple mechanical device credited to Archimedes. When the lower end of the screw is placed in water, turning the device raises water to the top. This principle has various applications for drainage and irrigation, but the instrument can also be...