Stereophonic Photos

File — Box: 2, Folder: 24

Staff Only

Scope and Contents

Photograph number 458: Stereophonic Sound System used at Leopold Stokowski's Hollywood Bowl Concert-Electrical Research Products stereophonic horn system (at top) high frequency horns at bottom low frequency horn. This system used in demonstration in Hollywood Bowl is the largest sound reinforcing installation on record.
Photograph number 459: Stereophonic Sound System used at Leopold Stokowski's Hollywood Bowl Concert-Stereophonic sound was used at Leopold Stokowski's Hollywood Bowl concert. This photograph shows the Bowl from "set-up" rear of control station located underneath umbrella. Distance from control to orchestra approximately 1/16th of a mile. The view shows Stokowski conducting rehearsal. On the bridge above the shell is located the high and low frequency units. In foreground underneath umbrella at controls is Dr. Harvey Fletcher.
Photograph number 460: Stereophonic Sound System used at Leopold Stokowski's Hollywood Bowl Concert
Photograph number 461: Leopold Stokowski (center) enhances a symphonic production while Dr. Harvey Fletcher looks on W. B. Snow monitors, April 1940
Photograph number 462: Close up of controls. Extreme right Dr. Fletcher and Boris Morros. Sound System-Stereophonic Sound used at Leopold Stokowski's Hollywood Bowl Concert.
Photograph number 463: Field power unit-low frequency and high frequency horns-high frequency horns can be seen in extreme upper right hand corner
Photograph number 464: Back stage with Harvey Fletcher during Hollywood Bowl Demonstration of ERPI's Stereophonic Sound reinforcing System-Left to right: Leopold Stokowski, Dr. Harvey Fletcher, Young, NBC Composer and Director, Boris Morros, General Musical Director Paramont Studios
Photograph number 465: The final speaker of the session on Saturday morning was Dr. Harvey Fletcher, of the Bell Telephone Laboratories, Inc., who talked on the Bell System's new developments for aiding the deaf and dumb. Dr. Fletcher, during the course of this talk, gave demonstrations with several pieces of apparatus, assisted by J.B. Kelly
Photograph number 466: Group of high frequency units; Sound System-Stereophonic Sound used at Leopold Stokowski's Hollywood Bowl Concert
Photograph number 467: One of three low-frequency units; Sound System-Stereophonic Sound used at Leopold Stokowski's Hollywood Bowl Concert
Photograph number 468: Low frequency horn through network of supports. High frequency units attached to throat of cellular high frequency horns can be seen in the upper center of photo
Photograph number 469: Stereophonic sound was used at Leopold Stokowski's Hollywood Bowl Concert. Rear view of bridge over shell in the Bowl showing high and low frequency units in place-bridge is 50 feet high-120 feet long-installation is largest ever completed; Distance form orchestra to last row of seats more than 1/4 mile. Photograpgh from Western Electric Company.
Photograph number 470: Harvey Fletcher and Leopold Stokowski at P in 1933 just prior to Stereophonic Philadelphia Orchestra
Photograph number 471-472: Unidentified
Photograph number 473: Europeans testing one of first audiometers with Harvey Fletcher (see oversize)
Photograph number 474: Harvey Fletcher preparing for stereophonic recordings (see oversize)
Photograph number 475: Harvey Fletcher working with

Dates

1907-1979

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this collection may be restricted under provisions of state or federal law.