Three-Electrode Vacuum Tube Detector Circuit
The article explains operating a three-electrode vacuum tube as a detector in a radio receiver. It describes plate and grid biasing with B and C batteries, the filament heating with A, and how altering the C battery potentiometer affects grid potential to produce detector action. It notes practical use avoids applying C battery as a detector bias.
Radio Tube Detector Uses Grid Condenser and Leak Resistance
The article explains a Circe element vacuum tube detector in a radio receiving circuit. It describes grid condenser in series with the grid and grid leak resistance shunting it, preventing grid charge flow to the filament and enabling symmetrical grid potential changes to modulate plate current.
Fixed Egg Laying Rations by USDA for Beltsville Farm
USDA prepared feeding rations for Beltsville Maryland poultry experiments outline six mash and scratch mixtures with meat scrap or fish scrap options and optional bone meal. Ration six targets older hens prone to fattening with table scraps and vegetables included.
MENTIONED IN THIS ARTICLE
United States Department of Agriculture
Beltsville
Plymouth Rock
Orpington
Wyandotte
Electric light wire as an antenna for radio reception
Engineers advise amateurs on using electric light wires as aerials for crystal receiver signals. Step by step guidance covers series condensers fuse size one half ampere and careful wiring from socket to antenna, plus cautions against direct ground contact and personal shocks.
Wireless secrecy devices and amateur radio limits
The piece notes the first national radio compass station on the Great Lakes and future stations. It highlights Hammond and Chaffee's secrecy device using characteristic waves and mentions Hoover era detection stations to locate interrupters. England faces amateur limits with 8,000 licensed operators and backlash against restrictions.
MENTIONED IN THIS ARTICLE
Great Lakes
England
United Kingdom
London Daily Mail
Army
Feeds for Breeding Geese
A mash for breeding geese uses equal parts bran mid dlings and ground oats with milk given in the morning. Corn is fed at night to avoid overfat geese and digestive issues. A mash of corn meal ground oats and bran is also recommended to support hatchability and balanced digestion.
Henhouse Routines and Fowl Care Notes
The text advises roasts and dropping boards in the henhouse to keep chicks comfortable. It recommends delaying feeding until forty eight to seventy two hours old and leaving a sitting hen undisturbed. It endorses using the hatchet on ailing fowls and cautions that ailment may reflect caretaker faults. Bran is praised as a summer feed for mature fowls, being neither fattening nor heating and with little danger of overfeeding.
German Racer Comes to Race in America
Wilde Appelhans, Germany's crack bicycle rider, comes to America to race in several events. A veteran of the sport, he has spent 14 of his 384 years on the bicycle saddle.
MENTIONED IN THIS ARTICLE
Wilde Appelhans
Germany
Oracer
America
Wall Street Messenger Store Unveils New Uniformed Courier
The Wall Street Messenger Store debuts a new courier type wearing a cap and jacket trimmed with red. A chained five pound steel safety box accompanies the messenger for secure transport of securities and valuables.
MENTIONED IN THIS ARTICLE
Wall Street
Lawyer and witness clash over confession and theft
A famed criminal barrister questions a witness who admits the prisoner is a thief and that she repaired shoes for the lawyer after the confession. The exchange ends with the lawyer shouting stand down, exposing a shady reliance on dishonest help.
MENTIONED IN THIS ARTICLE
London
Salvation Army Santa Clauses face looming return to work
In a dialogue from a wartime or regional sketch, Mrs. Mixer reveals her husband fears resuming his Salvation Army duties as a settlement worker. The exchange notes his employer and his role as a Santa Claus figure, highlighting community service amid concern.
MENTIONED IN THIS ARTICLE
Mixer
Mwam
The
Salvation Army
Santa Clauses
Jude
Also Mentioned on This Page
Grif Zeol
Young Plymouth Rock
Bureau of Standards
Department of Commerce
Glacier Trail
St. Louis
Glacier National Park
Wall Street Messenger
Lawyer
Tennessee
University of Tennessee
George Rogers Clark
Clarksville, Ind
Tidal Basin
Washington