The Mechanical Masters Aka Testing Racquets (1930)

Full titles read: The Mechanical Masters filmed at (new title) Old methods of handtesting racquets, tennis and golf ball are today giving way to machines, diabolically accurate in their action and impressive in their Birmingham, West Midlands. Various shots of a machine being started up that tests tennis balls and racquets; some factory girls watch it in action. Intertitle reads: The balls are travelling so fast you can only just see them flash by (except when our slowcamera reveals the Various shots of the girls watching the tennis balls fly out of the machine and onto a board opposite. Then in slowmotion we see the balls flying more clearly from machine to board. A man offcamera says the machine is used as a durability test. Intertitle reads: Another Robot tester for golf A man introduces a golf ball testing machine; it gives an even blow to every ball. Another man is seen winding a large weight attached to the machine, then stepping on