See also derailleurs from the 1940s

Browse the scanned material by year:

____________________________________________

1940

1. French registered design # 31982-001 - Simplex Route Léger
   

2. Kosmos - Fichtel & Sachs advert (1st style)
   

3. Kosmos - Fichtel & Sachs advert (2nd style)
   

1941

1. Cyclo Order Form?
   

2. Fichtel & Sachs Aigle - instructions?
   

3. French registered design # 31946-001 - Simplex Route Léger
   

4. French registered design # 31951-001 - Simplex Champion du Monde
   

5. Official Prices for Cyclo Gears & Accessories
   

1942

1. Huret Dural Competition - instructions
   

2. The Bicycle - Cyclo advert
   

1943

1. French registered design # 33324-001 - Huret Route Touriste
   

1944

1. The staff of ‘Cycling’ - Cycling Manual
   

2. UK patent # 575,017 - Cyclo Olympic?
   

3. US patent # 2,428,166 - Alfred Letourneur
   

4. US patent # 2,431,513 - Frank Schwinn
   

5. US patent # 2,598,557 - Simplex Tour de France
   

1945

1. The staff of ‘Cycling’ - Cycling Book of M’tenance
   

2. UK patent # 601,743 - Constrictor
   

3. UK patent # 601,744 - Constrictor prototype
   

4. US patent # 2,564,576 - Simplex pull-chain designs
   

1946

1. Constrictor Derailleur - instructions
   

2. French registered design # 35579-001 - Simplex Tour de France
   

3. Super-Inax Sport - instructions
   

1947

1948

1. Cyclo Catalogue
   

2. French registered design # 37803-001 - Simplex Tour de France
   

3. The Bicycle - Cyclo advert
   

4. The Bicycle - TriVelox advert
   

5. US trademark # 1,046,768 - Campagnolo
   

1949

1. Cyclo Catalogue
   

2. Cyclo - calling all Hub Gear users
   

3. French registered design # 40145-001 - Huret Competition
   

4. Holdsworth - Aids to Happy Cycling
   

5. The Bicycle - TriVelox advert
   

6. Unknown UK magazine - Cyclo advert?
   

7. US patent # 2,693,116 - Simplex Tour de France