Vintage Manual Sonometer antique theater lighting This piece is one of

This piece is one of a number of black velvet clown paintings that seemed to be produced in the 1950s and 1960s for unknown reasons

MM - C-5734 - 100523

MM - 4570 - 083023

This vintage western illustration was created by listed Maryland artist William Loechel

Jacob Loeb was the uncle of Richard Loeb who

Vintage Manual Sonometer antique theater lighting This piece is one ofc. 1950s 1960s; W. M. Welch Scientific Co. Chicago Hand crank sonometer, a musical and scientific laboratory instrument used to measure musical instrument string tension and wave mechanics. It works as such (from NYU): The sonometer lays flat on a large surface. There is a meter stick attached for reference. Strum the strings freely or hold down the string in different positions like a capo, to achieve different notes. Strike the tuning fork and strum