[AWA] Web Site Put Up by CHRS with Great Historic Material

[Martin]

If you find yourself with spare time in San Francisco here are some
worthwhile radio related side trips:
http://www.radiomarine.org/
https://www.californiahistoricalradio.com/

Rectifier at KPH:
[image: image.png]

73 Martin W6MRR

On Wed, Oct 10, 2018 at 4:52 PM Richard O'Neill <richardoneill at earthlink.net>
wrote:

>
>  From: https://groups.yahoo.com/neo/groups/SparkGapCollectors/info
>
> [AWA] Web Site Put Up by CHRS with Great Historic Material
> <https://groups.yahoo.com/neo/groups/SparkGapCollectors/conversations/topics/418;_ylc=X3oDMTJxYzQxNWRtBF9TAzk3MzU5NzE1BGdycElkAzg3MDIyNDQxBGdycHNwSWQDMTcwNTU3Nzg5OQRtc2dJZAM0MTgEc2VjA2Rtc2cEc2xrA3Ztc2cEc3RpbWUDMTUzOTE3NTAwMA-->
> Tue Oct 9, 2018 10:45 am (PDT) . Posted by: "Larry Dighera" ldighera
> <LDighera at att.net?subject=Re%3A%20%5BAWA%5D%20Web%20Site%20Put%20Up%20by%20CHRS%20with%20Great%20Historic%20Material>
>
> Many thanks for the heads-up.
>
> I found EARLY AMATEUR STATIONS when Spark Was King:
> http://www.sowp.org/early-amateur-stations/ of particular interest.
>
> On Mon, 8 Oct 2018 14:22:57 -0700, "'Ludwell Sibley'
> tubelore at jeffnet.org [antiquewirelessassociation]"
> <antiquewirelessassociation at yahoogroups.com>
> <antiquewirelessassociation at yahoogroups.com> wrote:
>
> > The Californa Historical Radio Society has posted a mass of Great Stuff
> >on www.sowp.org <http://www.sowp.org/> <http://www.sowp.org/> -
> excellent photos, texts, even a
> >couple of videos. This is material from the files of the Society of
> >Wireless Pioneers, which was an association of about 500 radio operators
> and
> >engineers for about 50 years, publishing the "Sparks Journal." The SOWP
> >disbanded a few years ago and handed about 1000 pounds of files in 40
> boxes
> >to the CHRS. CHRS has lately been scanning masses of these treasures and
> >posting them.
> >
> >
> >
> >Under the "Recent Additions" page, there's a mass of photos:
> >
> > Two crisp portraits of Lee DeForest
> >
> > Photos of Francis and Ignatius McCarthy, said to be developers of a spark
> >radiophone transmitter (more below)
> >
> > Arc transmitter of ca. 5 kW size at Mare Island Naval Station, 1919
> >
> > Bill Breniman and Richard Johnstone, founders of SOWP. Breniman devoted
> >his elder life to editorship.
> >
> > A shipwreck on the coast of China (multiple images)
> >
> > United Wireless station at Leadville, CO ( ! ), 1905
> >
> > Pacific Wireless station at Avalon on Catalina Island, 1903
> >
> > Pacific Wireless station on Mt. Tamalpais, CA., 1906
> >
> > Pan Am "Philippines Clipper" aircraft, 1937 (multiple images)
> >
> > Civil Aviation Administration station KSF, 1945: Six operating positions
> >with Hammarlund Super Pro receivers, 14 operators depicted
> >
> > CAA station at Everglades, FL, ca. 1945
> >
> > KFRC broadcast control room, 1925
> >
> > Cutting & Washington 4A spark transmitter
> >
> >The above is just a sampling: there's lots more.
> >
> >
> >
> >Under the "Cartoons & Schematics" page, there's a drawing of the McCarthy
> >radiophone transmitter of 1906 (which I suspect never actually sent audio,
> >just buzzes and snaps, like the Father Joseph Murgas 'phone attempt at
> >Scranton about the same time).
> >
> >
> >
> >Under the De Forest photo album, there's a batch of photos of their
> >equipment, some of which may not have been commercialized
> >
> > One-kW quenched-gap transmitter
> >
> > One-Spherical-Audion jeweler's time-signal receiver. (a jeweler, to set
> >his master clock, could get leased time signals from Western Union, or
> could
> >get Navy time signals sent over NAA. GE made a crystal time set ("OTB,"
> >Dec. 1993) and Chambers made another one-Audion receiver ("Radio Age,"
> Aug.
> >1997)
> >
> > "Audiophone" one-Spherical amplifier
> >
> > "CCF" one-Spherical tuner and detector
> >
> > "DCQ" arc-type transmitter panel
> >
> > Numerous other receiving units with 1, 2, or 3 Sphericals
> >
> > The familiar RJ5 Audion control unit
> >
> > RJ wavemeter
> >
> >De Forest equipment catalogs of this vintage are either super-rare or
> >nonexistent.
> >
> >
> >
> >There're a group of draft history writeups by Henry Dickow, not all of
> them
> >finished or faultless, but interesting and readable material.
> >
> >
> >
> >There're a couple of videos, including a one-hour visit with Don Wallace,
> >W6AM, the legendary DXer who owned 120 acres (ga$p !) on the Palos Verdes
> >Peninsula.
> >
> >
> >
> >Not my project, but this is a continuing effort making remarkable historic
> >material available. It's worth checking into.
> >
> >
> >
> >Ludwell Sibley
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