KRATZENSTEIN, Christian Gottlieb (1723 – 1795)
1723 – 1795
2 entries in the GMN corpus.
Image source Copper etching by P. Haas after drawing by Paul Ipsen, 1791. · Billedsamlingen, Universitetsbiblioteket, Copenhagen · CC BY-SA 4.0
1744 CE
#1987.1
Abhandlung von dem Nutzen der Electricität in der Artzneywissenschaft.
A student of Johann Gottlob Krüger (No. 1987.2), Kratzenstein was apparently the first to publish a treatise on electrotherapy, although he may have been publishing experiments devised by Krüger. Second edit…
1781 CE
#13253
Tentamen resolvendi problema ab Academia Scientiarum Imperial Petropoitana ad annum 1780 public propositum. 1) Qualis fit natura et character sonorum litterarum vocalium a, e, i, o, u tam insigniter inter se diversorum. 2) Annon construi qutans instrumenta ordini tuiborum organicorum, sub termino vocis humane noto, similia, quae literarum vaclium a, e, i, o, u sonos exprimant.
In the first part of this work Kratzenstein described how the vowels could be produced in the vocal tract. In the second part he described the construction of a new kind of organ with pipes for each of the vowels. Eac…