This engine was built sometime between 1906 and 1914.  It is a "hit and miss" type engine, using an ignitor and a 6 bolt dry battery for spark.   It can be started by hand or with a detonator, screwed into the side of the cylinder head, using a wood match and hammer.  The history of the engine is lost in antiquity, located by Gary at the Soo in 1977.  At the Sault St. Marie iron and metal works.  It could have been used for application such as saw mills, factories, water works, on the farm. etc. Fairbanks Morse Built stationary and portable engine from 1 to 500 HP.