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1923-24 American Bosh Electric Data |
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1927 Hudson Mechanical Inspection Serial No. 927 |
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1929 Hudson and Essex Bulletins |
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1929-33 Marvel Carburetor Data |
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1929-37 Marvel Updraft Carburetor Jet Specifications |
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1920 Service Department Letters |
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1921 Service Department Letters |
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1922 Service Department Letters |
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1929 Sales and Parts Bulletins |