Twenty One | My nephew Dan Cook turned 21 today. So to celebrate here is Triumphs 350cc (21 cu. in.) 3TA aka the Twenty One or more colloquially the Bathtub. It was the first unit constructed engine from Edward Turner’s engineering group.
Twenty One | My nephew Dan Cook turned 21 today. So to celebrate here is Triumphs 350cc (21 cu. in.) 3TA aka the Twenty One or more colloquially the Bathtub. It was the first unit constructed engine from Edward Turner’s engineering group.
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