Ear and mind in broadcasting how to hear the music
Dr. Alfred Goldsmith explains the ear and brain adapt to broadcast sound from 30 to 10,000 vibrations per second, the need to preserve loudness, and why special transmitters and glow microphones are used. The piece describes studio pick-ups, amplifiers, and monitoring at RCA’s WJY and WJZ facilities, emphasizing careful design and supervision to avoid distortion.
MENTIONED IN THIS ARTICLE
Alfred N. Goldsmith
B. S
Radio Cor
J. D
I. R
America
Broadcast Central
WJY
WJZ
Radio Corporation of America
Aeolian Hall
New York City
Rise of Radio Industry Sparks Rapid Growth
Over five years the radio business expanded from 2 million dollars in 1920 to an estimated 350 million in 1924. The figures show rapid market penetration for sets and parts, with 1922 and 1923 also reporting substantial sales, underscoring the industry’s swift emergence as a mass market.
MENTIONED IN THIS ARTICLE
Berl
Have Kidneys Examined By Your Doctor
A garbled health advisory urges frequent kidney checks and flushing methods. It promotes four ounces of Salts to cleanse kidneys and a lemon-lithia drink to reduce acids, claiming relief from dull kidney pain, headaches, and rheumatic twinges, and stresses physician examination at least twice yearly.
Father Violet badge and imperialist symbol in exile tale
The nickname Father Violet traced to Napoleon I during exile on Elba 1814 15 and its use by supporters as a public emblem. The piece juxtaposes old Roman family authority with modern wife’s status, noting the controversial legacy and social change across history.
MENTIONED IN THIS ARTICLE
Violet
Father Violet
Elba
Mysterio
Rome
Lecky
Sage Sulphur Compound Promises Darker Hair Naturally
A 19th century remedy promotes Sage Sulphur Compound to darken gray hair and restore natural lustre. The ad claims simple application with a dampened brush, noting it reappears glossy and attractive as people depend on Wyeth’s Sage Sulphur Compound for natural darkening and shine.
MENTIONED IN THIS ARTICLE
Evan Fangi
Also Mentioned on This Page
Goldsmith
A. N. Goldsmith
L. G
Nant
Wakefield
Michigan
WM. Jacobson
Buick
Buick Motor Company
Flint
General Motors Corporation
Dealers Everywhere
Car
Waries McLaughlin-Buick
Oshawa
Oni
Michigan Pioneer
Point’s
Ayer
Ironwood
ISAGE
Fat
Wakefield, Michigan
R. A. Marsh
T. S. Crosby
Kerkes
Sclamm
Lod
WM. D. Triplett
Ironwood, Mich
E. A. Proteau
Bessemer Steam
Ernest Schaefer
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