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History of the manufacturer  

Claravox Radio Company Ltd.; Sydney

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Name: Claravox Radio Company Ltd.; Sydney    (AUS)  
Abbreviation: claravox
Products: Model types
Summary:

Claravox Radio Company Ltd. 
195 Elizabeth Street, Sydney, NSW.

The Claravox Radio Company advertised as “Makers of high-class” radio sets and components from 1924 till 1926.

At the time of writing it is not known if the radio parts were imported or sourced locally.

Founded: 1924
Closed: 1926
Production: 1924 - 1926
History:

The Wireless Weekly of August 8, 1924 advertised that Claravox receivers had been developed by two radio experts. Walter H. Hannam as designer and constructor, who had spent 18 months in the Antarctic with the Sir Douglas Mawson Polar Expedition as Chief Wireless Engineer and 2 years as Wireless Instructor at AIF headquarters in France during WW1. Hannam also operated experimental broadcast station 2YH. Mr Z. J. Jacobs was Business Manager for the company.[1]

Also in August 1924 they ran a competition for amateurs to construct the best crystal set from parts bought from the company. The prize was a 4 valve receiver valued at £75.[2]

Hannam ran the Radio School at Claravox and offered free instruction for the home constructor as long as they purchased parts from the company.[3]

The company was registered in January 1925 with First Directors Zacharias J. Jacobs and G.F. Adams.[4]

The company closed in June 1926 after Jacobs died.[5]

[1] Wireless Weekly, Aug 8, 1924, Page 19.
[2] The Sun (NSW) Aug 14, 1924, Page 3.
[3] The Sun (NSW) Sep 24, 1924, Page 2.
[4] The Daily Telegraph (NSW) Jan 8, 1925, Page 10.
[5] The Daily Telegraph (NSW) Jun 14, 1926, Page 4 

This manufacturer was suggested by Gary Cowans.


Some models:
Country Year Name 1st Tube Notes
AUS  24 Claravox 4 Valve   Walter H. Hannam (2HY)  designed and constructed this receiver possibly from imp... 

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Further details for this manufacturer by the members (rmfiorg):

[1] Claravox receivers had been developed by two radio experts. Wireless Weekly, Aug 8, 1924, Page 19.tbn_aus_claravox_1_wireless_weekly_aug_8_1924_page_19..jpg
[2] October 1928, competition for amateurs to construct the best crystal set. The Sun (NSW) Aug 14, 1924, Page 3.tbn_aus_claravox_2_the_sun_nsw_aug_14_1924_page_3.jpg
[3] Walter Hannam ran the Radio School at Claravox. The Sun (NSW) Sep 24, 1924, Page 2.tbn_aus_claravox_3_the_sun_nsw_sep_24_1924_page_2.jpg
[4] The company was registered in January, 1925. The Daily Telegraph (NSW) Jan 8, 1925, Page 10.tbn_aus_claravox_4_the_daily_telegraph_nsw_jan_8_1925_page_10.jpg
[5] The company closed in June 1926 after Jacobs died. The Daily Telegraph (NSW) Jun 14, 1926, Page 4.tbn_aus_claravox_5_the_daily_telegraph_nsw_jun_14_1926_page_4.jpg

  
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