Vacuum Tube as Detector in Radio Receiver Circuit
The document explains a three-electrode vacuum tube detector in a simple radio receiving circuit. It describes connections for plate, filament, and grid via B and A batteries and a C potentiometer to control grid bias, noting OC batteries are not used to drive detection.
Grid condenser and grid leak form detector in radio set
The article explains how a grid condenser in series with the grid and a grid leak resistor enable a three element vacuum tube to operate as a detector. It describes the grid potential changes producing symmetric responses on the tube's characteristic curve and notes the slow discharge path through a high resistance.
MENTIONED IN THIS ARTICLE
Haoe
Lhoula
Early Amateur Use of Electric Light for Radio Receiving
Amateur guides outline methods to replace aerials with electric light based receivers. Instructions cover audion crystal sets, added condensers in series, small fuses, a two receptacle plug, and long conductors from socket to table. Cautions warn against direct ground contact and personal shock.
MENTIONED IN THIS ARTICLE
Gineers
Eastern Electric Light Pony
Secrecy in Wireless and Early Radio Network Plans
The item notes the first national radio compass station on the Great Lakes and future stations to ease the lake area dangers. It cites Hammond Jr and Dr Chaffee for an secrecy driven wireless device. It mentions Hoover era detection stations for interruptions and signaling. It contrasts English amateur growth with restrictions in the UK and critiques army and navy ambivalence toward amateurs.
MENTIONED IN THIS ARTICLE
Great Lakes
England
United Kingdom
London Daily Mail
Army
Navy
Leg of Mutton Recipes From USDA Study
Historic USDA home economics guide outlines leg of mutton preparation with braised and roasted methods. Includes brown gravy and currant jelly variation, stuffing, and broiled loin chops with onion sauce options. Recipes emphasize proper slaughtering and cooking for tender, flavorful lamb dishes.
Salt Helps Set Colors in Fabrics and Safe Laundering Tips
Salt is effective for setting most dyes but not permanent. Use about one cup salt to two gallons water and let garments soak overnight if possible. Wash in lukewarm water with neutral soap, avoid rubbing, and iron on the wrong side. Use cool water for delicate colors and shade drying to prevent fading.
MENTIONED IN THIS ARTICLE
United States Department of Agriculture
Tomato Good For Children Says USDA
The United States Department of Agriculture promotes daily tomato intake or tomato juice to ensure vitamin C for children and prevent scurvy. Tomatoes retain vitamin C after heating, making canned juice a practical option when fresh produce is scarce. strained juice is advised for infants, with a safe daily portion of half tablespoon to one tablespoon.
MENTIONED IN THIS ARTICLE
United States Department of Agriculture
All Around the House Tips and Recipes
A collection of household tips discusses quick carrot prep and milk custard ratios, kerosene stain removal for wringers, a cream cold cereal dish, cherry roly poly with biscuit crust, flour thickening guidance, and using sewing silk for velvet basting to avoid traces.
Elizas Courtship Plan Encounters A Doctor Dream
In 1922 Eliza Stone and Fred Titus discuss a pragmatic courtship. She seeks a medical career before marriage while he pursues a life as a doctor. After six months, Fred reveals he has trained in medicine to win her, and she reveals her plan supported by the idea that he should be a doctor.
MENTIONED IN THIS ARTICLE
Fred Titus
Eliza Stone
Fred
Eliza
Stone Country Place
Mrs. Gifford
Hazel
Medical College
Ment
Titus
Explaining Everyday Expressions and Their Origins
A look at common phrases and their roots from ships ratings to cake walking prizes. Origins include A1 meaning first rate from Lloyds shipping and the best warship class, axe to grind from backwoods drinking calls, bogus from Borghese swindlers, to mind your P s and Q s tied to pub chalk marks.
MENTIONED IN THIS ARTICLE
Lloyd's Registry of Shipping
Borghese
Boston
Bear Weights Vary By Species Across Regions
The text outlines typical weights and lengths for several bears. Polar bears can reach up to 1600 pounds and nine feet in length. Kodiak bears on Kodiak Island and nearby mainland Alaska can weigh about 1200 pounds with skins measuring nine feet shoulder to paw. Grizzly bears reach about 1000 pounds and nine feet. Russian brown bears weigh around 800 pounds, American black bears up to 400 pounds, and Indian sloth bears 200 to 300 pounds.
MENTIONED IN THIS ARTICLE
Kodiak
Kodiak Island
Alaska
Also Mentioned on This Page
DRE
Lea
NG Electric
U of
Departs of Commerce
Vari
United States
Office of Home Economics
McClure Newsy