Bowman M122 twin cylinder engine
This is one of the larger Bowman engines and being a twin engine with large cylinders it is extremely powerful. The original adverts claimed that the engine was able to lift over 120 lbs (ca. 50kg). The cylinders are totally enclosed within fixed brass covers which make them look bigger. The pistons are lubricated by two drip feed oilers that are mounted over the ends of the cylinders.
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