Telegraphing from a Moving Train Advances in Telephony
Two Princeton students explore calls from a fast moving train linking passengers with distant travelers. Experiments test if tunnels, water, and terrain affect signals and how aerials and wireless links perform while the train speeds between stations, revealing location impacts on reception.
MENTIONED IN THIS ARTICLE
Wasiders
Vadis
Eitan
Ecx
Ertosa
Lackawanna Railroad
Witen
Cornell
Lack
New York City
Cnring
Princeton University
Messia
David WW. Richtrison
G.donald Burrer
United States
Fecionelyan
Fiset
Inkes
Titehardfin
Chis
Parvicuinels
Rue Coth
Mountain View
N. Js
Ami Hoboken
WIZ
Kewath
Uslecera
Ned
Electron Gun Shows Picture of Voice in 1930s science
A long readable excerpt describes the Braun tube and electron beams, detailing how an electron gun produces vibrating pictures on a screen. It covers operation, inertia effects, and the apparatus used to reproduce electronic images with fidelity, noting the scientific context and potential applications.
MENTIONED IN THIS ARTICLE
Beeniny
Tuba
Braun Tubr
Germain Crtarist
Johnson
Tes Bell Taborstorive
Waite Konrz
Don ts for Radio Fans Warned About Electrical Dangers
An advisory piece by R L Duncan warns radio listeners about electrical hazards from sour receivers and improper experimentation. It cautions against outside wiring, overloading lighter power lines, and attempting repairs without proper knowledge. Readers are urged to avoid dangerous practices and to remember the risks of sparks, fires, and electric shock.
MENTIONED IN THIS ARTICLE
Amr Geise
Carey
Vintage Radio Repair Q and A from an Era
A long, technical reader column discusses radio gear and safety. It covers wiring of grid, condenser, and tube connections, battery and transformer roles, coil layouts, and methods to test and improve signal reception in crystal and regenerative sets. The Q&A cites patents, tones of troubleshooting, and practical advice on maintaining vacuum tubes and detectors.
MENTIONED IN THIS ARTICLE
Seegniary
Secon
Evia
Tuntkov
Jared
A. W. We
Xuu
Ube
Nsw
Radio communication notes warn of distant reception limits
Col Daniel Cave and Col Garr briefed on radio reception challenges for military and civilian use. They described possible signals from 40 to 80 miles, the role of large cable companies, and the need to expand amateur and telephone communications while noting costs and technological limits.
MENTIONED IN THIS ARTICLE
Auonsens
Elfenpessian Agionass
Daniel Jy Cave
Bight
Garr
Gare
Perhans
Sidhul
Anigna
Howes
Eurasia 1
Frank Aistance
Coloaut Dyer
Has Anton
Bay Upd
Diese Companien
Eladenn
Titead
Sangery
Xeon
Also Mentioned on This Page
Amateur Radiophone
Bichardsy Tre Lielen
Iternal
Todd
Mitte
Wert
Menudittinetiz
Aleenel
Biren
Wien
Olia
Mhavie
Scranton
Richaideon
Ain
Bana
Titala
Earth
Apain Wien
Cates
Rodla
Acta
D. Richardson
Lackawanna
R. L. Duncan
Wailo Tiotitute
Agiertea
New York
Guldep Botta
Radio Curoymes
Aeture
Dart
Radio ix
Gan
Eum Verkaug
Ste
Naw
Iadio
Kiro Island
George Jt
Putnam
Ecoraia
Department of Commerce
Sla
Dhe
Muingoune
Saad
Rabiyase
Rani Conitinaud
Rani Conitinaud Anterlueenne: Talwoon
Atitote
Neesmia
Ailene
Patel
Abéyba
Ible
Culivary
Jexd Ientorn
Moulitat Peat
Colt
Thlameang
Alipynaches
Timultancei
Hnan
Fecitiiy
Amila
Kenore Graphic Pon
Avery
Will Ruil
Redio
Bet
Aulo Bulb
Arzialy
Nerio
M. V
Sclaventh
Astur
Vinla Trier
Ioan
Elise
Bods Holiclathce
Anton Teri
Andy Cawaclty
Gabon
Uae
de Keaton
Laulu
Hvar
Skand Linen
Sn Neciniy
Tsan Goelst
Niel
Jendin
Tony -T
Vanillla
For Local Use
Cine
Rile
Crowle
Ransieo
Wta
Conierta
Denyor Anty
Acne Utailonr Agi
Dlemmateurs
Benckit Hill
This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!