The soundproof room in the laboratory
Photo showing: Laboratory of the UIT’s International Telegraph and Telephone Consultative Committee
Subject: Measuring the sensitivity characteristics of a telephone sending system
Agency text on verso.
Dimensions: 16 x 21.2 cm
Condition: For condition and details see scanned images. Please study the photos carefully to determine the condition of this vintage photograph, as it may not be in perfect condition. Most pictures are in excellent condition but some may contain wrinkles, cracks, and even minor tears due to aging and handling by previous owners.
Note: The photograph is offered for sale as a collectible item and conveys no transfer of copyright. If you have any questions, feel free to contact us!