Petter air cooled and petrol engine instructions and spare parts list for the A type engines dated 1936 to 1946 covers engines in the 300,000 to 355,000 serial number range, 32 pages.
Petter air cooled and petrol/vapourising oil engine instructions and spare parts list for the A type series 2 engines dated 1946 to 1951 covers engines in the 400,000 to 599,999 serial number range, 1.5 to 10HP including twin cylinder versions. 24 pages.
A lovely detailed reprint of the operation and care of Petter petrol and petrol/vaporising oil engines, types A1 and A2 (air cooled), W1 and W2 (water cooled) dated 1951 onwards from serial number 1,500,000 1 to 3HP, 24 pages.

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