1911 1 11 BOSCH MULTI POINT IGNITION Influence of Multi Point Ignition on the Efficientcy and Output of Internal Combustion Engines By Otto Heins 6″×9″ Inside front cover
1911 1 11 BOSCH MULTI POINT IGNITION Influence of Multi Point Ignition on the Efficientcy and Output of Internal Combustion Engines By Otto Heins 6″×9″ page 1
1911 1 11 BOSCH MULTI POINT IGNITION Influence of Multi Point Ignition on the Efficientcy and Output of Internal Combustion Engines By Otto Heins 6″×9″ page 2