Browse Items (981 total)

FOX01987.jpg

FOX00262.jpg

FOX00267.jpg

FOX00318.jpg

FOX00328.jpg

kellogg_milmic_PA 1.jpeg
Example of use of the Kellogg T32 "candlestick" microphone, featured in Mr. Steele's collection, by the U.S. military during World War II.

Mic90_Kell_T32.jpg

SVBMC_098.JPG

BellPatent1.png

BerlinerPatent.png
Output Formats

atom, csv, dcmes-xml, json, omeka-xml, rss2