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History of the manufacturer  

Hartman Electrical Mfg. Co., The; Mansfield, Ohio

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Name: Hartman Electrical Mfg. Co., The; Mansfield, Ohio    (USA)  
Abbreviation: hartman
Products: Model types
Summary:

In the November 1924, The Radio Trade Directory under the heading manufacturers of Vacuum Tube Sets on page 80, the Hartman Electrical Manufacturing Company was located at 34 East Fifth Street in Mansfield, Ohio.
In the August 1926 McGraw-Hill Radio Trade Directory on page 117 the Hartman Electrical Manufacturing Company was still located in Mansfield, Ohio.

History:
Hartman Elec. Mfg. Co.; 31E. Fifth St., Mansfield, Ohio - Trade name Hartman


Some models:
Country Year Name 1st Tube Notes
USA  25 AdamP 10A   Two dials (primary tuning control knobs) 
USA  25 AItalianPeriod 10A   Two dials (primary tuning control knobs) 
USA  25 AnneP 10A   Two dials (primary tuning control knobs) 
USA  25 Hartman Model 10-B UV201A  Two dials (primary tuning control knobs) The Hartman 10-B was the same as the Hartm... 
USA  25 Hartman Model 10-CS UV199  Two dials (primary tuning control knobs) 
USA  25 Hartman Model 12-A [Adams] UV199  Three dials (primary tuning control knobs) 
USA  25 Hartman Model 12-A [Italian] UV199  Three dials (primary tuning control knobs) 
USA  25 Hartman Model 12-A [Queen Anne] UV199  Three dials (primary tuning control knobs) 
USA  25 Hartman Model 12-B UV201A  Three dials (primary tuning control knobs) 
USA  25 Hartman 12-C UV199  Three dials (primary tuning control knobs) 
USA  26 Single-Six Compact [old] UX201A  One dial (primary tuning control knob) 
USA  27 Compact [new]   prob. Storage + Dry Batteries 

[rmxhdet-en]

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

December, 1922 Electrical Record magazine advertisement page 135tbn_usa_hartmanelectric_dec_1922_electrical_record_page_135.jpg
Advertising card for Hartman - most probably sent by the Argentina importer in 1936. Ebay auction by 100fishhooks 121378795610tbn_us_hartmann_argentina_advert_card_1936.jpg
October 26, 1928 The Mansfield News newspapertbn_usa_hartman_electrical_news_journal_fri_oct_26_1928.jpg

  
rmXorg