1943 WWII Era Vintage Ads - PT Boat - Lawrance Power & Marlin-Rockwell

This original 8.5 x 11" magazine page features 2 period WWII Era Military products used in the war effort and showcases the companies that made them.  On the front is Lawrance Auxiliary Power Plant Model 30C-3 as used in the Navy's PT Boats.  On the reverse is the Marlin-Rockwell Super Precision Bearings used to supercharge warbirds of the period.