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Phantom and Morse Test Board (b/w photo)

IMAGE number
LLM7180627
Image title
Phantom and Morse Test Board (b/w photo)
Auto-translated text View Original Source
Artist
American Photographer, (20th century) / American
Location
Private Collection
Medium
black and white photograph
Date
C20th AD
Image description

Phantom and Morse Test Board. Illustration for Cyclopedia of Telephony and Telegraphy (American Technical Society, Chicago, 1920).

Photo credit
© Look and Learn / Bridgeman Images
Image keywords
20th century / white / colour / communication / USA / North America / America (continent) / black / telephone switchboard / switchboard operator / telegraph / phone / Nebraska / Lincoln (city) / Lincolnshire / England / United Kingdom / Europe / black and white / photo / illustration
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Asset - General information
Largest available format 4540 × 3088 px 3 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB]
Large 4540 × 3088 px 384 × 261 mm 2.5 MB
Medium 1024 × 697 px 87 × 59 mm 869 KB

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