File:QST (1915) (14778432353).jpg

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English:

Identifier: qstamer00amer (find matches)
Title: QST
Year: 1915 (1910s)
Authors: American Radio Relay League
Subjects: Radio Radio
Publisher: (Newington, Conn., etc., American Radio Relay League)
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
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Text Appearing Before Image:
panelshave J^-inch hps folded over so that the per-forated aluminum sheet (Rejnolds do-it-jour-self material now available in most hardwarestores) for the shielding can be secured ^vithsheet metal screws. In our case we completed allthree cabinets (all holes drilled and punched)and then, after assembling them, sprayed themwith grey wrinkle enamel. Baking under some in-frared heat lamps finished the paint job. Next,Tekni-Label decals were appUed and the resultwas a professional-looking job. On the transmitter chassis the speech amplifiertubes are across the rear, separated bj^ the mod-ulation transformer from the r.f. The cr>staloscillator is in the center of the chassis and thefinal amplifier is toward th^^ front panel. The an-tenna relay is j .st behind the antenna loadingcondenser. The two coax cables from the connectors on therear panel run to a bracket just behind the relay.One of these goes to the antenna and one to theconverter. Because of lack of space in the r.f. unit, the
Text Appearing After Image:
A.C. CORD & PLUG BATT. Fig. 4 — Power-supply unit. Capacitances are in /if. CiA, CiB — 20-Aif. 450-voh electrolytic (Mallory FP434,with lO-ixt. units paralleled. Can must be in-sulated from chassis). Ri — 200 ohms, 25 watts, adjustable; set to 166 ohms. CRi, CR2 — Selenium rectifiers; see text. Ji ■— 8-contact connector, chassis-mounting (octal). J2 — 12-contact connector, chassis-mounting (Jones). Pi, P2 — 12-contact connector, cable-mounting (Jones). Si — 2-pole 6-po8ition wafer switch. S2, S3 — S.p.s.t. toggle. Ti — Combination a.c.-vibrator power325 V. d.c. at 135 ma.; 6.3 v. at 4.7d.c. and 117 v. a.c. primariesT.22R24). El — Vibrator (Mallory type 294). transformer,amp.; 6-8 v.(Thordarson September 1955 27 meter and the meter switch are both locat-ed inthe power supply and a 12-wire cable intercon-nects these two units. The meter shunts, how-ever, are in the transmitter. These must be tail-ored to fit the particular meter. The vibrator and the filter c

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https://www.flickr.com/photos/internetarchivebookimages/14778432353/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:qstamer00amer
  • bookyear:1915
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:American_Radio_Relay_League
  • booksubject:Radio
  • bookpublisher:_Newington__Conn___etc___American_Radio_Relay_League_
  • bookcontributor:Internet_Archive
  • booksponsor:Internet_Archive
  • bookleafnumber:974
  • bookcollection:internetarchivebooks
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014



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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14778432353. It was reviewed on 30 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

30 September 2015

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current16:17, 30 September 2015Thumbnail for version as of 16:17, 30 September 20152,066 × 1,324 (209 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': qstamer00amer ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fqstamer00amer%2F find matches])<br> ''...

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