Hostname: page-component-745bb68f8f-5r2nc Total loading time: 0 Render date: 2025-02-06T11:52:04.249Z Has data issue: false hasContentIssue false
  • English
  • Français

3. Note on a Variation of the Microphone

Published online by Cambridge University Press:  15 September 2014

R. M. Morrison
Get access

Extract

Following out a suggestion made by Mr Seabrook in Nature of May 30th, I mounted the three carbon blocks of Professor Hughes' microphone on, not as Mr Seabrook recommends, a plate of 3 inches diameter, but on a ferrotype plate about 6 inches by 4. This plate formed part of the top of a box, thus—

Type
Proceedings 1877-78
Information
Proceedings of the Royal Society of Edinburgh , Volume 9 , 1878 , pp. 712
Copyright
Copyright © Royal Society of Edinburgh 1878

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)