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The Pacer and his Bike before the Race
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Professionals Wiersma & De Graaf 1933
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Publicity photo, august 1965
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Pacer Champion 1938 with Stayer Groenewegen
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World Championship Track Cycling 1948 Amsterdam (NED) (4)
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World Championship Track Cycling 1948 Amsterdam (NED) (3)
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Parc-de-Princes Jan Pronk
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June 1944: There was still some petrol
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World Championship Pacing 1951
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1951: Milano Passage by Pronk & Wiersma