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History of the manufacturer  

Gilfillan Bros.Inc.; Los Angeles (CA)

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Name: Gilfillan Bros.Inc.; Los Angeles (CA)    (USA)  
Abbreviation: gilfillan
Products: Model types
Summary:

In the November 1924 The Radio Trade Directory under the heading manufacturers of Vacuum Tube Sets on page 80, and again in the August 1926 edition of the McGraw-Hill Radio Trade Catalog, the Gilfillan Brothers company was located at 1815 West 16th Street in Los Angeles, California.

History:
In November of 1932 Gilfillan took over the name and line of the Willard Radio Company.

Gilfillan Brothers Inc.; 1815 Venice Boulevard, Los Angeles, California (according to an add in April 1944 in "Proceedings of the I.R.E.) - Trade name Gilfillan. Made also radios for Jackson-Bell Company in Los Angeles, Silvertone etc.

Gilfillan is now the ITT's radar division.
1942 Gilfillan Brothers Inc. was selected to produce the first Ground Control Approach (GCA) radar. The first pre-production radar system was completed the following year and was instrumental in the success of the Berlin Airlift - landing planes at the rapid rate of one per minute


Some models:
Country Year Name 1st Tube Notes
USA  26 10   Two dials (primary tuning control knobs) 
USA  28 100 [push pull] 27  One dial (primary tuning control knob); push-pull af output stage; unknown rectifier tube ... 
USA  29 100 [single ended] 27  One dial (primary tuning control knob); type 80 rectifier tube in a separate power pack. 
USA  29 101 [187$]   One dial (primary tuning control knob) 
USA  29 101 [205$]   One dial (primary tuning control knob) 
USA  29 102   One dial (primary tuning control knob) 
USA  29 103   One dial (primary tuning control knob) 
USA  30 105 24A  One dial (primary tuning control knob) 
USA  30 106 24A  One dial (primary tuning control knob) 
USA  30 107 24A  One dial (primary tuning control knob) 
USA  49 108C-M 6BA6   
USA  36/37 1131-C 6K7  Tuning eye; push-pull af output stage. 

[rmxhdet-en]

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

From Popular Mechanics, Dec. 1929, p.81: RCA advert depicting S. W. Gilfillan, President.tbn_usa_gilfillan_sw.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_title.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p1.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p2.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p3.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p4.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p5.jpg
Scanned from the Gilfillan Folder for 1942.tbn_gilfillan_folder_1942_p6.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p1.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p2.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p3.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p4.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_title.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p5.jpg
Scanned from the Gilfillan Folder for 1937.tbn_gilfillan_folder_1937_p6.jpg
Scanned from the Gilfillan Folder for 1936.tbn_gilfillan_folder_1936_title.jpg
Scanned from the Gilfillan Folder for 1936.tbn_gilfillan_folder_1936_p1.jpg
Scanned from the Gilfillan Folder for 1936.tbn_gilfillan_folder_1936_p2.jpg
Scanned from the Gilfillan Folder for 1936.tbn_gilfillan_folder_1936_p5.jpg
August 19, 1923 The Honolulu Advertiser newspaper page 25tbn_usa_gilfillan_the_honolulu_advertiser_sun_aug_19_1923.jpg

  
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