21st September 1956, Page 242
21st September 1956
Page 242
Page 242, 21st September 1956
Close
A Spark-ignited Heavy-oil Engine
P ATENT No. 753,432 Sennfelt, Rua dos Fanqueiros 15, 3°, Lisbon, Portugal), discloses a design for a spark-ignited engine which, once started on petrol, can be switched over to......