Long film showing all the ins and outs of how a car works.
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 9. Steering gear explained. Shot of man moving steering wheel on stripped car. Mechanism of the steering column is explained. Steering mechanism moved on car. Cross section shows various parts of the mechanism. Car body is turned over to show how steering works. Wheels are moved. C/U of wheel being moved. Camera then pans down to show the other wheel moving in conjunction. Pascal's Law from Ganot's Natural Philosophy is quoted. Illustration by animations of hydraulic brake system. Brake cylinders are illustrated. Location of the master cylinder is shown. C/U of a wheel turning then being stopped. Dissolve to show the workings of the brakes. C/U of foot being applied to brake then brake pads moving. C/U of hand pulling a lever. C/U of workings of the brakes.
Reel 10. Strains, stresses and springs are described. The "X brace" is illustrated and compared to old style cross members. Weaving and lozenging are two problems illustrated. Road shocks are absorbed by springs. Swivel-shackles are illustrated. Springs shown in place on the underneath of the car. Pan across the underneath of the car. C/U of spring in action. Five types of spring are illustrated. "The latest idea" - Torsion Rod springing - is explained. An animation of a door opening and closing shows the torsion rod. A particular kind of spring used on the "Blue Bird" is mentioned and shown in a diagram. Shock absorbers are described. Various parts of the shock absorber are shown. Side shot of the car. Car drives away into the distance along a country road away from the camera.
Note: the negative and positive versions seem similar, but there may be shots unique to each and certainly some reels have shots in a different order.