geib's

Updated: May 22, 2025

His little square, at first of nearly five octaves, with the "old man's head" to raise the hammer, and "mopstick" damper, was in great vogue, with but little alteration, for forty years; and that in spite of the manifest improvements of John Broadwood's wrest-plank and John Geib's "grasshopper."

Various - Scientific American Supplement, No. 385, May 19, 1883