6 Free Artworks of Early Telephones

electrical installation1903scans from 'rankin kennedy1903/undescribedvol v'
PSM V12 D583 Bell telephone in use
popular science monthly illustrations/volume 12early telephones
Aparat mikrotelefonowy Fig. A (77464)
early telephones
Manual telephone exchange board, Frontispiece (Rankin Kennedy, Electrical Installations, Vol V, 1903)
electrical installation1903
Fire-alarm telephone (Rankin Kennedy, Electrical Installations, Vol V, 1903)
electrical installationemergency telephone
Typical telephone instruments (Rankin Kennedy, Electrical Installations, Vol V, 1903)
electrical installation1903
Street telephone for tramways (Rankin Kennedy, Electrical Installations, Vol V, 1903)
electrical installation1903
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