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History of the manufacturer  

AMBU, American Bureau of Engineering; Chicago, Illinois

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Name: AMBU, American Bureau of Engineering; Chicago, Illinois    (USA)  
Abbreviation: ambu
Products: Model types

In the August 1926 McGraw-Hill Radio Trade Catalog on page 210 the American Bureau of Engineering was located at 2632 Prairie Avenue in Chicago, Illinois. The AMBU Engineering Institute was the training school of the American Bureau of Engineering and was located next door at 2630 Prairie Avenue.

Trade Name: AMBU


This manufacturer was suggested by Alan Larsen.

Some models:
Country Year Name 1st Tube Notes
USA  26 Ambu-5   AMBU Engineering AMBU-5. This set was the first to use a type of printed circuit for wirin... 
USA  18 Cadmium Voltmeter   The AMBU cadmium voltmeter was a special meter designed to measure voltage at a maximum of... 


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

1926 Automobile Digest advertisementtbn_usa_ambu_engineering_ambu5_automobiledigest1926.jpg


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