National was founded in Sydney, New South Wales in the 1920's.
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| 3 June 1926 Trademark |
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| 11 August 1926 Australian Archives A461/1 D418/1/6 page 1 |
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| 11 August 1926 Australian Archives A461/1 D418/1/6 page 2 |
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| 17 December 1926 Trademark |
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| 29 January 1927 Motor Life |
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| 1 May 1927 The Steering Wheel page 1 |
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| 1 May 1927 The Steering Wheel page 2 |