Vintage Manual Sonometer antique theater lighting Jacob Loeb was the uncle

Jacob Loeb was the uncle of Richard Loeb who

the overall dimensions measure 10

JM - 012323 - 105633

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

Our items may contain rust

Vintage Manual Sonometer antique theater lighting Jacob Loeb was the unclec. 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