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This newspaper page contains 11 articles. Subscribers can read the full text of each article.
Newspaper
San Antonio Light
Location
San Antonio, Texas, United States of America
Date
Jul 02, 1922
Page
12
A 1922 Science and Invention excerpt outlines wireless telegraphy progress focusing on coherer detectors, relays, and electrical tuning. It describes transmitter receiver coupling, use of high resistance relays, and methods to adjust circuits for longer ranges, including ground capacity and wave length manipulation. It notes evolving practice between 1900s techniques and later refinements.
In a fragmentary report from a regional page, observers note Balbc results tied to Meretiu and S&S. The text hints at amplifiers for reception, Caribbean entries, and waters used for testing. No clear names, dates, or places emerge beyond scattered references to operators and locations.
Report on early offshore electrical experiments detailing apparatus, detectors, and relay issues. Describes Western Electric Company components, Marconi items, and experiments with shipboard circuits. Notes failures, maintenance costs, and improvements for stronger signals and reduced interference.
A cryptic OCR fragment outlines terms in electricity and magnetism. It references Detrelor devices, dielectric constants, insulators, condensers, direct and tight coupling, aerials, and discharge mechanisms, with scattered definitions and period-voice spellings. The text includes mentions of oscillations, radioactive-like terminology, and apparatus components such as plates, coils, and wires.
A dated guide outlines constructing a tube radio set for under fifty dollars, aiming for a $100 plus final value with broadcast news and lectures capabilities. It lists materials such as sockets, resistors, condensers, a battery, wire, and a rudimentary diagram, emphasizing careful wiring, safety, and practical testing.
The document details assembling a bakelite panel with variometer components, vacuometer sockets, and a micrometer scale. It describes placing variometer units on a table, aligning central shafts, fixing vacuum tubes, and measuring panel dimensions for mounting. It also covers drilling holes, anchoring variometers, and wiring steps.
A chaotic fragmentary report notes growing radio interest with amateurs seeking air time and observers praising music reception and program variety. It mentions technical setups, shows, and warnings about safety, lightning, and fire risks while referencing scattered regional mentions and unfamiliar names.
An archaic, DIY guide details building a simple microphone amplifier and transmitter using a Skinderviker receiver and a low impedance telephone earpiece. It covers mounting a diaphragm, wiring a transmitter button, and attaching the assembly to a bracket with a battery and threaded rod, aiming to amplify radio or telephone signals.
An illustrated guide describes home built rheostats using resistance wire wound on slate or fiber strips. It covers flexible strip designs, slider controls, and firing up different wire types like silver or phosphorous alloys. Practical notes include firing limits, heat considerations, and safe assembly via switches and panels.
Fragmentary notes describe a Leheycomb coil as inexpensive and easy to extract and operate. The text hints at a detailed description of building a basic, effective receiving instrument and its advantageous characteristics.
Fragmentary OCR describes gauge 8 and 3 gauges for wire on a ceiling or circuit setup. It notes garlahls condensers used in an unspecified Anis circuit with plates measuring 21 by 12 and tin foil coating on one side. Ends are screwed and a small adhesive tab fixes to the opposite edge of the button plate. Capacitance changes with rotation.
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