Trap to eliminate 400 meter radio interference described
Article explains a wave trap used by a government receiving station to block 400 meter interference without harming desired signals. It covers coil construction, variable and fixed condensers, switching to tune for 400 meters, and notes near infinite impedance at resonance with practical limits.
MENTIONED IN THIS ARTICLE
Vetrcuit
Mort
Bracing Aerial Pole at End of Ridge Roof
A diagram shows a sturdy brace for an aerial pole at a ridge end. An anchor for a fourth guy wire is not available. The pole rests on a two by four end of a two foot building and has withstood storms others failed in.
MENTIONED IN THIS ARTICLE
Deaehland
Haa
Arctic Explorer Plans Airphone Radio Outfit for Bowdoin Expedition
Donald MacMillan plans to take a powerful radio transmitting and receiving outfit on the Bowdoin expedition this summer. The receiving part will accompany the party as far north as possible, allowing them to listen to latest broadcasts while in the Arctic.
MENTIONED IN THIS ARTICLE
Donald MacMillan
Hhis
Bowdoin
Elvill
Experimental radio setup and Arctic voice broadcast plans
Reading notes describe a June broadcast from Eastport Maine to the Edgewater hotel in Chicago. A seven man crew will install apparatus on a pole and take photographs while the plan includes a voice test from MacMillan and efforts to minimize interference.
MENTIONED IN THIS ARTICLE
Aiso
Lelween
Bowdein
Eastport
Chicago
Edgewater Teach Hotel
Demdd
Millenaire Ochicago Radio Tien
Voice of
MacMillan
Arctic
Bekios
Mie MoeMiibim
Peniniead
Wire End Connection Replaces Lug For Copper Wire
A wire end connection replaces a lug on copper wire or busbar. The method thickens the end at the sac and uses a drilled hole to create a permanent join. It slips under a small tab without needing solder and prevents tug taps from sticking up.
Hints for amateurs winding coils for variometers
Practical guidance for winding vario coils on cardboard tubes. Dry tubes in a warm oven, apply shellac inside and out, repeat outside for gloss, secure wire ends through edge holes, paint with wood alcohol to set shellac, and let evaporate away from fire. Alcohol can soften shellac and affect cotton wire coating.
Grid Leak Reduces Frying Noise in Simple Radio Sets
An amateur radio user explains how placing a grid leak across the secondary of the last amplifying transformer removes frying hiss with minimal signal loss. Increasing leak strength further suppresses static highs but lowers overall signal. Ordinary pencil marks on paper work, yet black drawing ink yields best results.
DIY Socket for WP 11 Tube Builds Peanut Tube Socket
A homemade socket method uses pakelite a 3 by 3 inch piece, four binding posts and spring briss wire. The coil is shaped around a nail and a larger pin to fit the three rail contacts plus a lead contact, with brightened coil interiors for good contact. The simple build allows a working socket that tolerates jostling.
SHORT CIRCUITS IN RADIO AMATEUR CLUB DESIGN
An eastern radio club seeks a suitable club opinion on design for better broadcasts. Doctor De Forest cites youth innovation while warning against loud, disruptive speakers. A government official argues poor music quality from the national arm harms smaller towns and supports redistributing high grade station output for better programs.
MENTIONED IN THIS ARTICLE
Plathimuide
A Than
Amother Radio
Concrete feeding floors for barns cut mud loss and waste
A historical guide promotes concrete barnyard pavements to reduce feed loss and mud. It outlines easy, phased building, drainage tips, a gravel sub-base, and a mix ratio of cement sand and pebbles with a four inch thickness and gradual curing.
Sweet Corn Varieties Best for Summer Dairy Feeding
Farmers should plan to grow mid sized plantings of reliable sweet corn varieties like Country Gentleman and Evergreen to meet dairy feed needs when pasture is scarce. Early varieties mature quickly but may be less palatable, while later sorts provide greener feed later in the season.
MENTIONED IN THIS ARTICLE
Vertain
Patel
Fowls in Orchard Kill Many Injurous Insects
Orchard keepers find that fowls reduce pest insects and benefit peach trees. A Cornell test showed poultry presence lowered pest numbers compared with chemical sprays, suggesting birds help protect fruit crops.
MENTIONED IN THIS ARTICLE
Cornell University
Edouleh Lee Pepe Liedt
Seed Quality and Crop Yields in Agriculture
The article notes that seed quality has limited impact on overall crop gains. It cites that over 1400 potted plants and various vegetative planting stocks are grown, with minor improvements in seed quality offering only small increases in yield and possibly affecting costs or labor.
Farm Roads Slogan Promotes Farmers First Policy
Fragmentary editorial urges prioritizing farmers in road route planning. It argues transporting food and clothing for the hungry world should guide infrastructure, proposing the motto Farmers First. The piece emphasizes farmer interests in building good roads for commerce and sustenance.
Cucumber Beetle Threat To Garden Crops
The striped cucumber beetle injures cucumbers melons and related crops by feeding on seedlings stems and leaves and can destroy an entire crop quickly. Larvae tunnel roots and underground parts. Recommended controls include nicotine dust arsenate of lead and Bordeaux mixture with strict coverage and prevention. Community effort and tight plant protection boost success.
MENTIONED IN THIS ARTICLE
Eeemares Department
Yellowing Threatens Alfalfa Yields Across Regions
The U S Department of Agriculture notes yellowing is the top annual yield reducer for alfalfa, especially in the East. Causes are unclear, tied to soil lime and drainage. recovery after cutting suggests new growth if fields are cut regardless of development stage.
MENTIONED IN THIS ARTICLE
United States Department of Agriculture
Sven
Fall Calving Desirable on Many Dairy Farms
Fall calving is advantageous for dairy farms under common conditions. Calves receive milk for several weeks, then transition to pasture and grain as grass returns. Milk yield peaks when prices are high, with good calves improving future breeding prospects.
MENTIONED IN THIS ARTICLE
Department of “Agriculture
Fifé
Han
Pasture Access Key For Profitable Hog Rearing
The text argues pigs perform best when kept on pasture from birth to market. It emphasizes constant access to forage, exercise, and natural diets, noting no ration matches pasture except in other respects. It cites the Colorado college study as supporting evidence for pasture efficiency.
MENTIONED IN THIS ARTICLE
Emall
Colorado
Meultora College
Horses Shoulders Bathing With Salt Water
The article advises bathing horses shoulders in salt water each evening to harden them and prevent sores from ill fitting collars. It warns that poor collars cause scars and bulky horses, stressing collars must fit neck and shoulders for power.
Wise on Job Feeling Fine After Tanlac Treatment
A. C. Wise of Omaha credits Tanlac with restoring health and energy after a 28 day illness. He reports weight gain and return to work, saying the remedy cured indigestion, nervousness, and dizziness. Tanlac is advertised as a vegetable pill, sold widely with over 37 million bottles sold.
MENTIONED IN THIS ARTICLE
A. C. Wise
Mandersoz St
Omaha
Nebi
Tanlae
Best Medicines Sell Themselves In Credible Claims
An old advertisement style piece argues that medicines win fame if they truly work. It touts Dr Kilmer’s Swamp Root as a trusted kidney remedy, supported by customer statements and druggist endorsements. The text also features unrelated ad snippets about happiness and laundry products.
MENTIONED IN THIS ARTICLE
Kalmer
Kilmer
Wingate Warns Against Abuse of War Invalids
In New York Gen George A Wingate says anyone mistreating war invalids deserves punishment akin to a fictional figure. The item mirrors period humor and topical National Guard era rhetoric while advertising Cuticura products for skincare and removal of blemishes.
MENTIONED IN THIS ARTICLE
George A. Wingate
New York
Absolutely Out of Luck Dream Book Dry Spell
A reader vents frustration over a supposed dream book purchase a month ago that failed to yield any dreams, expressing ongoing luckless streak and disappointment with the purchase.
MENTIONED IN THIS ARTICLE
Phavent
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