Walter was a car and aircraft-engine maker in Prague. Its founder, Josef Walter (1873–1950), was a mechanic who began in 1898 repairing scales and bicycles in a small workshop in Smíchov and later assembled bicycles from BSA parts. The business was known as Josef Walter, then from December 1911 as the limited-liability company Josef Walter a spol. In 1919 it became the joint-stock company Akciová továrna automobilů Josef Walter a…