In the second half of the 18th century, the Hochbrucker mechanism was largely popularized by the efforts of his nephews, Christian and Celestine Hochbrucker, and mainly by son Simon, who toured around Europe playing in Vienna in 1729, Leipzig, Brussels in 1734, Paris in 1740 and north Germany.
Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | Jacob Jordaens | Paul Jacob | Meshullam ben Jacob | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | Jacob Truedson Demitz | Jacob ter Veldhuis | Jacob's Ladder | Jacob's biscuits | Jacob's Award | Jacob Rothschild | Jacob L. Devers | Jacob Latimore | Jacob Kirkegaard | Jacob Kielland | Jacob J. Shubert | Jacob Hackenburg Griffiths-Randolph | Jacob Bronowski |
Earlier pedal harps had a single-action mechanism that allowed strings to play sharpened notes, the first of which was made in 1720 by Jacob Hochbrucker in Bavaria.