Third element in the vacuum tube
The article explains rectifiers and three electrode vacuum tubes, detailing how a grid controls electron flow between filament and plate, and noting Fleming's valve and DeForest improvements. It covers grid potential effects on plate current, rectification of high frequency currents, and the evolution of the three-electrode tube in radio.
MENTIONED IN THIS ARTICLE
J. A. Fleming
London
England
Fleming
Lee DeForest
Superior News Roundup An Eventful Homecoming
Local column from Superior reports Mrs Mirkle healing after a cut, Estherville Homecoming parade and fireworks draw large crowds, and multiple visits and gatherings across Lake Park Spirit Lake and surrounding towns. Obituary notes for Albert Hansfelt, club meetings, picnics, and efforts to close gambling stands receive praise. Various residents, travel, and family visits recorded.
MENTIONED IN THIS ARTICLE
Dudley
Montana
Wade
E. J. Olson
Henry Olson
Michigan
E‘j
Henry
A. Lewis
Rake
Ben Perkins
McKibbins
DeSmet
Weise
Spirit Lake
John Larson
Cemetery Society
Judderfoss
Farm Bureau
Leek
Essie Clabaugh
Myrtle Eads
John Mills
Granada
H. Ruckman
Mills
Ruckman
Art Erickson
Kalamazo
Theodore Erickson
Ed. Chapman
Armstrong
Thye
California
Geo. Merriott
Superior
Denver
Colo
George Wood
Eagle Grove
Will Wood
Iowa Falls
Lloyd Weaver
Albert Hansfelt
Petersburg
Coleman Hospital
Jackson Cemetery
Hansfelt
Odd Fellows Lodge
Jackson
F. S. Emerson
Bedell
Pang
Daniel
Local households share visits and travels near Armstrong
Miss Florence Williamson stayed with her brother near Armstrong for a week. A. Bloom shows off a new car. Andie and Jake Amdal called at the R. Fouts home. Several families including the Kirchners Wests Gee Calahan Har ry Peterson Ramsey and daughter drove to West Bend. Ramsey and Griffiths families visited Winnebago and nearby towns. Ruth Thorson Ruth Thorson and Alice Ramsey are among visitors and local motor trips are noted.
MENTIONED IN THIS ARTICLE
Florence Williamson
Armstrong
A. Bloom
Andie
Jake Amdal
R. Fouts
John Reinhead
G. Kirchner
Wm. West
Gee, Calahan
Harry Peterson
Guy Ramsey
West Bend
Ross Fouts
Huntington
Bloom
Hands Park
Albert Bettin
Dunnell
Minn
Fred Bettin
Ruth Thorson
Thor
Alice Ramsey
Estherville
Gus Ramsey
Guy
Lee Griffith
J. Ramsey
Arthur Fouts
Jim Ramsey
Frank
Winnebago
Sun
Estherville News Brims With Local Happenings And Notables
A busy Estherville column notes a new cement walk at the Estherville State Bank and a moved greenhouse near the east town edge. Delegates attend Spirit Lake chautauqua, rainfall totals and grain damage are reported, and several marriage licenses are issued. Fire threat at Ridley residence is averted, locals attend chautauqua, and frost hits lightly northward near Watertown. A twin birth at F H Rhodes home is recorded, and Bank of Estherville posts a record milestone with banks elsewhere in question.
MENTIONED IN THIS ARTICLE
Estherville State Bank
Jehu
Howard Graves
Howard Espeset
Sim Bemis
Perl
Olus Gates
John Aitchison
Grace
Jessie Aitchison
L. R. Bingham
Estherville
Spirit Lake Chautauqua
Amundson
Guy Fields
Emma Fuller
Lincoln Township
Chas. L. Smith
Charlotte M. Amundson
Wallingford
R. E. Ridley
Eighth Street
Jessie Ridley
Spirit Lake
Chautauqua
Clarence Ladd
Faribault Military School
Aug. Wenberg
Minnesota
E. Neville
Republican Force
Lakes
Milford
C. M. Brown
G. A. Nichols
Watertown
F. H. Rhodes
Bank of
Fungus Threatens Fruit Trees In Iowa Garden
Shot hole fungus on plum and cherry leaves appears this season. H W Richey of Iowa State College recommends spraying with borax solution or lime sulfur after fruit harvest. Spores cause brown spots that fall out. untreated, trees suffer winterkill risk. A spray of four quarts lime sulfur to fifty gallons water with one pound lead arsenate powder is effective.
MENTIONED IN THIS ARTICLE
H. W. Richey
Horticultural Department of
Iowa State Colllge
Petersen Family Celebrates Golden Wedding in Des Moines Area
Mr and Mrs James Petersen celebrated their golden wedding anniversary Tuesday at St Johns gymnasium with many friends and relatives attending A lunch was served by local ladies They were married in Denmark moved to the United States in 1881 and settled in Neola then Emmet county They have two sons one daughter and twelve grandchildren Present from out of town included Mr and Mrs R Buchan of Spencer J P Hansen of Neola Mrs P W Hanisen and Mrs Chris M Jensen of Weston The Ringsted Dispatch reports
MENTIONED IN THIS ARTICLE
James Petersen
St. John’s
North Dakota
J. S. Petersen
R. Buchan
Spencer
J. P. Hansen
Neola
Iowa
P. W. Hanisen
Chris .M. Jensen
Weston
Ringsted Dispatch
Also Mentioned on This Page
Fleming Valve
Dr. Lee
Peter Sargentine
Homer ‘Sharar
J. H. Sidles
Owen Morton
Henley
Coa
Winthrowd
Sunny
Norse
Everett Logue
State Line
Vin
Cur Wen
V.R
Petersen
J. Hansen
South Sixth St
Estherville, Iowa
Nan’s
Michaels Stern
Nau Brothers
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