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Updated: August 2, 2024
Before passing on to consideration of the petrol-driven type of engine, it is necessary to accord brief mention to the dirigible constructed in 1884 by Gaston and Albert Tissandier, who at Grenelle, France, achieved a directed flight in a wind of 8 miles an hour, obtaining their power for the propeller from 1 1/3 horse-power Siemens electric motor, which weighed 121 lbs. and took its current from a bichromate battery weighing 496 lbs.
Nine died all together, and of the four survivors none understood navigation; when at last they took heart again and could handle a sail, they made a course by the stars roughly northward and were already short of food once more when they fell in with a petrol-driven ship from Rio to Cardiff, shorthanded by reason of the Purple Death and glad to take them aboard.
The captive balloon equipment comprises the balloon, together with the observer's basket, the wire-cable whereby it is anchored and controlled, and the winding apparatus. Formerly a steam engine was necessary for the paying in and out of the cable, but nowadays this is accomplished by means of a petrol-driven motor, an oil-engine, or even by the engine of an automobile.
He nosed about in the crannies of the rocks lining the inlet, and got into the water again to explore better. When he joined me he was smiling. 'I apologize for my scepticism, he said. 'There's been some petrol-driven craft here in the night. I can smell it, for I've a nose like a retriever. I daresay you're on the right track.
The vessel was of aluminium, 0.008 inch in thickness, strengthened by an aluminium lattice work; the motor was two-cylindered petrol-driven; at the first trial the metal developed such leaks that the vessel came to the ground within four miles of its starting point.
Already on the Bagdad Railway the big tunnels of Taurus and Amanus are available for narrow-gauge petrol-driven motors, and the broad-gauge line will soon be complete. To stop the mouths of the people, all political clubs have been suppressed by the Minister of the Interior, for Prussia does not care for criticism.
It was in '94, when even the electro-motor was not in general use, and the petrol-driven machine was slowly convincing Paris and New York of its magnificent possibilities. Saxham used a smart, well-horsed, hired brougham for day-visits, and for night work a motor-tricycle. There were no stables to the house in Chilworth Street.
During two years I learned the mechanism of the various petrol-driven cars, until I became classed as an expert driver and engineer. At the place I was employed there was manufactured one of the best and most expensive makes of English car, and, being at length placed on the testing staff, it was my duty to take out each new chassis for its trial-run before being delivered to a customer.
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