Nice Electronics Catalog photos

Electronics Education
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A few nice electronics catalog images I found:

Image from page 110 of “Bizarre” (1912)
electronics catalog
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Identifier: bizarre1912leba
Title: Bizarre
Year: 1912 (1910s)
Authors: Lebanon Valley College
Subjects: Lebanon Valley College Universities and colleges college yearbooks college-yearbooks Lebanon Valley College-students-yearbooks
Publisher: Lebanon Valley College
Contributing Library: Lebanon Valley College, Vernon and Doris Bishop Library
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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Text Appearing Before Image:
I? I Z A R R i: 1 i) 1 12 VARSITV KEGULARS Right field Harnish. Capt. Left field Hummel Centre field Loser, Carmanv First base Lehman Second base C. C. Smith Third base Short stop Pitcher Lvter Carmanv Little Catcher Newashe, Miller 1 ^^^^g^^^l 1 ^^^^^^ftta^^^^^^^^ ;. ^^^^H 1 ^^^^^^^^^^^^^^^^^^^Mi^^n?^^^ J I . I–. HAUNISH. IJCaptain 11 WEAKER I.. . Clair F Harnish, i 2Almniii-Varsity 11110 VARSITY RESERVES Hayes Kreider Koontz Ressler Gruber Heffelfinger Charlton Young, Arthur Light Hensel / arsi/vZullinger, pP. Kreider, ssShaffer, ibHarnish, r f cHummel, 1 fH. Kreider, c fEby, 3bLoser, erfDunlap, 2b Score: Alumni 5: arsity 4. A / II III H! Waughtel, cPlumnier, ssStehman ibStrock, 3bR Light 2bJ. Kreider, 1 fWeir, c fBalsbaugh, r fRutherford, p BIZARRE 1 i» 1 2

Text Appearing After Image:
TENNIS VARSITY RESERVES Marshall Lehman Grace Smith Ellis Saylor Edna Kilmer Olympian Tennis Club OFFICERS PresidentVice PresidentSecretaryTreasurer Lester L. SpessardIvan K. PotterJames C. ShivelySamuel B. Plummer Samuel O. GrimmPaul R. KoontzGuy Wingerd MEMBERS Earl G. LoserEarle A. SpessardLester L. SpessardMax Lehman Ivan K. PotterSamuel B. PlummerJames C. Shively Page 97 B 1 Z A R R E 11)1 2 Inter Class Contests CLASS 1912 Bag Rush: 1911 wins by one foot. Basketball: Score, 1911—61912—10 Tug of War: Score, 1912—I1913—5 FRESHMAN YEAR Football: Score, 1911 — o1912—10 Baseball: Score, 1911—o1912—14 Six innings SOPHOMORE YEAR Football: Score, 1912—o1913—3 Baseball: Score, 1912—51913—11

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Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability – coloration and appearance of these illustrations may not perfectly resemble the original work.

Image from page 576 of “The Bell System technical journal” (1922)
electronics catalog
Image by Internet Archive Book Images
Identifier: bellsystemtechni06amerrich
Title: The Bell System technical journal
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company
Subjects: Telecommunication Electric engineering Communication Electronics Science Technology
Publisher: [Short Hills, N.J., etc., American Telephone and Telegraph Co.]
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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Text Appearing Before Image:
Fig. 9—Large grid, liie large grid is a neon lamp with iSUU electrodes on atube bent back andj,forth to form a luminous screen that is visible throughout alarge auditorium. When it is desirable to present television images to a large audience,a special grid type of receiver is used. The grid has the appearanceof an illuminated screen and can be seen throughout a large auditorium.The image is not projected on the screen from a lantern like a movingpicture; such optical projection would be inefficient and demand PRODUCTION OF TELEVISION SIGNALS 571

Text Appearing After Image:
Fig. 10—Detailed structure of the grid. The exterior electrodes are pieces ofmetal foil cemented to the outside of the tube. The interior electrode is a longspiral of wire.

Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability – coloration and appearance of these illustrations may not perfectly resemble the original work.

Image from page 574 of “The Bell System technical journal” (1922)
electronics catalog
Image by Internet Archive Book Images
Identifier: bellsystemtechni06amerrich
Title: The Bell System technical journal
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company
Subjects: Telecommunication Electric engineering Communication Electronics Science Technology
Publisher: [Short Hills, N.J., etc., American Telephone and Telegraph Co.]
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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About This Book: Catalog Entry
View All Images: All Images From Book

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Text Appearing Before Image:
s ap-pear. The disk rotates inside of a rectangu-lar cabinet and the observer views the imagethrough the shielding window. The largestdisk, three feet in diameter, gives a 2 in. by2]^ in. rectangular image. Each televisionreceiver is also equipped with a telephone re-ceiver and transmitter; and it is possible for the observer to both see and converse with a distant person at the same time. Fig. 7—Neon receivinglamp. The rectangularcathode is covered by auniform layer of glowslightly larger than thefield of view on a televi-sion disk PRODUCTION OF TELEVISION SIGNALS 569 Considering the limited number of picture elements, a surprisingamount of detail can be transmitted with this television system. Adistant person can be seen and easily recognized and his motions canbe plainly followed as he talks into a transmitter, turns the pagesof a magazine and goes through other similar motions. Large-sizedpictures in a magazine can be seen as the subject turns the pages andlooks at them himself.

Text Appearing After Image:
Fig. 8—Disk receiving apparatus. The observer looks through the shielding windowat a picture on the 36-inch disk An auxiliary television receiving system also accompanies eachtransmitting set and enables the operator to see that he is sending asatisfactory picture current out over the channel of communication.This auxiliary or pilot picture is formed on the scanning disk itself.A small fraction of the outgoing picture current is tapped off andamplified to operate a neon lamp, which is placed behind the diskninety degrees around from the scanning beam. An image of thesubject may thus be seen on the scanning disk just as at a receiving 570 BELL SYSTEM TECHNICAL JOURNAL Station. To correct for the ninety-degree phase shift, the spiral ofapertures on the transmitting disk is continued by additional aperturesa quarter of a turn beyond the starting point. The first turn aloneof the spiral is used for scanning; and the last turn alone, to form thepilot image; consequently, this image appea

Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability – coloration and appearance of these illustrations may not perfectly resemble the original work.

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