Series 300 produced by C.A.Ruigrok Industrie 1957-1980's

 Model 305  Photo Jan Versnel

Model 305  Photo Jan Versnel

 
 Photo Jan versnel

Photo Jan versnel

 
 Model 315. Photo Jan Versnel

Model 315. Photo Jan Versnel

 
 Model 309, 1960. Photo Jan Versnel

Model 309, 1960. Photo Jan Versnel

 
 Various models. From a Druce & co ltd London brochure 1960's

Various models. From a Druce & co ltd London brochure 1960's

 
 1960 redesign for the model 305.

1960 redesign for the model 305.