First power loom
A mechanical loom is a device which simplifies the process of manufacturing textiles. It was invented by Joseph Marie Jacquard and was first demonstrated in 1801.
The first motion picture capturing device, movie camera, was patented in 1893.
No it was a few years before that. ALEXANDER CUMMING for instance patented a flushing device in 1775.
In 1849, the Bourdon tube pressure gauge was patented in France by Eugene Bourdon.
The phonautograph is the earliest known device for recording sound. Invented by Frenchman Léon Scott, it was patented on March 25, 1857.
The first practical sound recordingand reproduction device was the mechanical phonograph cylinder, invented by Thomas Edison in 1877.For a fuller answer, Google 'Firsts in the recording of sight and sound'.
"The first practical sound recording and reproduction device was the mechanical phonograph cylinder, invented by Thomas Edison in 1877 and patented in 1878" - from the wikipedia page on sound recording
Leo Szilard in 1933, patented in 1934 as Great Britain # 630,726. Then it took the work of thousands off people to transform the invention into a workable device in 1945.
At the time speakers were not heard or known because they didn't exist. Nikola Tesla patented his device in 1881 making it better than the Alexander Graham device. Somehow he viewed a device that converts electrical signals to sound waves in his mind.
You search for medical device manufacturers for the device you are looking for. In some countries you can get this information from a medical representative.
The spinning machine or the Spinning Jenny was a spinning wheel which ran eight spools at a time. It was invented by James Hargreaves, but his failure to get the device patented lead to another person, Richard Arkwright, claiming the invention.
i think it was used in the weaving processpfft. ya think?! no, it was used in the weaving process, to shorten the time that the workers had to work, and to improve the quality of the work. many people didnt like the power loom though, and burned down factories in protest.Happy To Help!