EVANS - G & S
This engine has an Evans four-cycle cylinder on a “box bed” Gibbs and
Sterrett frame made in Corry, PA in the 1880s.
Conversion was more complex requiring timing gears, an additional
Evans flywheel, and an Evans clutch.
Note the huge 24 x 24 inch hand hewn timber it is on.
It pumped an oil well near Chicora.
SOUTH PENN -
OIL CITY BOILER WORKS
This cylinder, made in S. Penn’s Clarksburg, WV shops can run on either
gas as a two-cycle or steam.
These were known as convertible engines.
It was used in West Virginia.
GARDNER - AJAX
This is another convertible cylinder able to run on either gas or steam.
It was made by Gardner of Washington, PA, and it is mounted on an
Ajax steam engine frame from Corry, PA.
The convertible engines were very popular in SW PA and this one
was used in that field near Washington, PA.
PALM - AJAX
This unique engine has a four-cycle convertible cylinder that was made
by Palm of Butler, PA. It is
mounted on an Ajax frame.
This engine was advertised to run on gas, steam or both at the same
time. Looks complicated to
run on both. It was used
near East Brady, PA.