The Romance Of The Motorcar AKA The Motorcar And Its Mechanism - Reel 3 (1935)

c 1935 The negative of “The Romance of the Motorcar“ is titled “The Motorcar and its Mechanism.“ This record details differences between the pos and neg reels for what is essentially the same film. Check against other records. Reel 3. Sparking process described. C/Us of sparking plugs. Tool used to loosen plug then screwed out by hand. C/U of spark plug. Parts are screwed together. Extreme C/Us of top of spark plug. Animated diagram used to show sparking process. C/U of the battery. C/U of the instrument board which is turned to show wiring at the back. Zoom in to location of the coil. Animation shows intervals between sparks. Battery of six cells compared with 8,000 cells. Faraday. Theory of induction - animation. Secondary wire illustrated. Secondary wire placed inside. Three types of soft iron cores are illustrated. Mechanical breaker and contact breaker are illustrated. Cam. Breaker arm and spring - animation. Condenser explained and illustrated. Drawing of the battery, spark p