The technical compendium for all fans and lovers of the ARDIE brand. A unique documentation of many decades of technology history. In this extensive collection of...

The technical compendium around fishing gear and accessories. A unique collection of ideas for developers, hobbyists and do-it-yourself builders. In this extensive collection of patents you...

Hanns Trippel - an ingenious designer and inventor. He is best known for his invention of the Amphicar - the first ever series-produced Schwimmwagen. But did...

The technical compendium around AMAL carburettors and accessories. A unique documentation of the history of technology. In this extensive collection of patents you will find developments...

The technical compendium for all fans and lovers of the ALLGAIER brand. A unique documentation of German technology history. In this extensive collection of patents you...

The technical compendium for all fans and lovers of two-wheelers of the AJS brand. A unique documentation of highly interesting technical history. In this collection of...

The technical compendium for all single-axle vehicles, engines, devices and machines of the AGRIA brand. A unique documentation of highly interesting technical history. In this extensive...

The technical compendium for all fans and enthusiasts of ADLER vehicles. A unique documentation of many decades of technology history. In this extensive collection of patents...

The technical compendium for all fans and enthusiasts of vehicles of the brand ALVIS. A unique documentation of highly interesting technical history. In this collection of...

The technical compendium around amphibian vehicles and accessories. A unique collection of ideas for developers, hobbyists and do-it-yourself builders. In this extensive collection of patents you...