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There is also a book 'Look For the Dog' - you may find another supplier for it but it is for sale on Amazon-Mickey Clark https://www.amazon.com/Look-Dog-Illustrated-Talking-Machines/dp/0960646604 -----Original Message----- From: 6295LARGE . Sent: Sunday, November 03, 2019 11:14 AM To: [log in to unmask] Subject: Re: [ARSCLIST] ARSCLIST] Re: Historic details on phonographs THANK YOU, PAUL! I work for the Recorded Sound Archives at Florida Atlantic University. ( rsa.fau.edu). I give tours to guests, students and faculty, and I've been asked a couple times, the same questions as in my email. We have a 1907 Victor Victrola, and 1926 Credenza with electric motor and a1910 Edison cylinder player. Sometimes a get a really interested person in a tour, and I'd like to be able to answer more questions than I already can. I will go to the website you recommended and hunt for the book you recommended. Thanks again! PEACE!... and wisdom. ( I guess if there was wisdom, we'd have peace.) Ben On Sat, Nov 2, 2019 at 2:42 PM Paul Stamler <[log in to unmask]> wrote: > On 11/2/2019 12:54 AM, Francesco Martinelli wrote: > > what a weird post > > Hey, one good way to learn things is to ask people who know about them. > Mr. Roth is doing that. I'll try to answer a few questions below. Mr. > Roth, if you're a student writing a term paper, you should investigate > further using a search engine so you can cite your sources properly. > Here's a bit for starters. > > > On Fri, Nov 1, 2019 at 6:28 PM 6295LARGE . <[log in to unmask]> wrote: > > > >> When were the magnetic and ceramic cartridges invented? > > You might want to look at the History section in this article: > > https://en.wikipedia.org/wiki/Magnetic_cartridge#History > > It's usually not kosher to cite Wikipedia as a source, but the article > will include references, and those usually can be cited. > > >> Were orthophonic recordings using microphones? > > Properly speaking, there weren't really orthophonic recordings to my > knowledge; at least, I don't think they were called that, though I may > be wrong. In 1925 Victor introduced the Orthophonic Victrola phonograph, > designed by engineers at Western Electric (part of the Bell System) and > licensed to Victor; it used an acoustical horn, but it had much improved > performance over previous models. At about the same time, Victor and > Columbia introduced electrical recordings, using a system also invented > at Western Electric. They used a condenser microphone (*also* invented > at Western Electric, in 1916, and specified in the electrical recording > patent) in the recording process. > > Columbia called their electrical recordings Viva-Tonal records; they had > a "W" in the runout area, standing for Western Electric. Victor called > them simply "electrical recordings", identified by the letters "VE" on > the label. > > In the 1950s, when the high fidelity boom was underway, Victor (now RCA > Victor) called their LP records "New Orthophonic", trading on the old > Victrola phonograph name. > > >> When did phonographs start using speakers instead of horns? > > The loudspeaker was patented by Chester W. Rice and Edward V. Kellogg; > they worked for General Electric, and applied for the patent in 1925. > > You might want to dig out a copy of Ronald Gelatt's book "The Fabulous > Phonograph". It's out of print, but you could look in a library, or at > www.abebooks.com . It's far from perfect, and it includes some material > which is now classed as urban legend, but it's a decent introduction. > > Peace, > Paul Stamler > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus >