| Nickel steel hollow crank shaft (5 bearings in [Illustration] | Started from aviator's seat. | Special metal cylinders (aerolite). | the 4 cyl., 7 in the 6 cyl.) | Double plugs. | Special by-pass. | | Half compression fitted. | Rotary inlets. | | Crank shaft, hollow, on 3 ball bearings. | | | | [Illustration] | ------------------------------------------------------+----------------------------------------------------+---------------------------------------------------------------------------------------------------- ~WELLES & ADAMS.~ | ~WRIGHT.~ | Wells & Adams, Bath, N.Y. | The Wright Co., Dayton, Ohio. | ------------------------------------------------------+----------------------------------------------------+ 50 h.p., 4 cyl. 200 lbs. | 30 h.p., 4 cyl., 112x100 (1650 r.p.m.) 190 lbs. | | 50 h.p., 6 cyl., 112x100 (1150 r.p.m.) 230 lbs. | Vertical, water-cooled (pump). | | | Vertical, water-cooled (pump). | H.T. magneto. | | Mechanical inlets (overhead). | H.T. magneto. | Forced lubrication. | Rotary valves. | | Pump lubrication. | ~Note.~ _Features._-- | Silencer fitted. | | | There are a good many other U.S. engines of Single cylinders (large brass jackets). | | little or no account. The majority of these are Double plugs. | | merely more or less accurate copies of well-known No valve cages.