Development of device called Focalign by Pyle-National Co for effective lamp focusing and case alignment by day or night.
Putting good headlight beam where it belongs
Ry Elec Engr
Railway Electrical Engineer ; 28 , n 1
1937
Aufsatz (Zeitschrift)
Englisch
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Safety first: Apportioning blame where it belongs
British Library Online Contents | 2003