9 minute16mm silent color film on special model Tumblast for Lebanon, PA foundry per Carter Dreves, WFI adv "FI on open titles and logo (SPIRIT OF '76 in patriotic red, white and blue) and dissolve to metal parts churning in the Wheelaberator Tumblast abrasive cleaning machine. Dissolve to control panel. Cut to LS of machine, as man pushed empty cart along rails, placing it before the machine. The operator steps to the control panel and opens the Tumblast door. As the door slide upward the camera moves in to CU of cleaned parts; the conveyor belt reverses and the cleaned parts spill onto the cart. Camera pulls back to full view again, as the operator moves the filled cart out of the picture. Cut to crane loading totebox of dirty parts into Tumblast hopper. Crane's jaws bring more parts into the hopper. LS as operator empties parts into Tumblast. Insert of control panel and LS as hopper is lowered. Operator directs audience attention to unit interior, then, in side view, shows conveyor belt detail CU. Interior shot as the conveyor belt moves to rotate the castings. Different view of the hopper loading the Tumblast. CU hydraulic jack mechanism as the hopper is lowered. SPIRIT OF '76 design is emphasized. End credits." Frink has A & B rolls, track, orig overs and ancilliary materials.