collection of the Czech Museum of Music document the Czech
socio-cultural context in which the harps of the French instrument maker were used from the late
nineteenth century until the middle of the twentieth.
Key words: SébastienErard, harp, Czech Museum of Music instrument collection, pedal harp, single-
action pedal harp, double-action pedal harp, musical instrument manufacturers, decorating of
The current harp collection at the National Museum – Czech Museum of Music (NM‑ČMH)
contains a total of sixty‑three specimens,1 and the
individual structural improvements of the harp that were taking place in the workshops of Paris
instrument makers (1747–1790). Cf. MÜLLER 1999, pp. 118–119.
90 Musicalia 1–2 / 2016
the year 1780, a mechanism with a system of crutches (mécanique à béquilles) came into
use. The French instrument maker SébastienErard (1752–1831) invented the fourchette
(fork) mechanism with prongs on rotating disks. in 1794 erard was granted a royal patent
for his invention of rotating prongs (fourchettes) on two sturdy brass disks.19 this design
was employed for all