Showing: 11-20 results of 23

by: Anonymous
Screw Propellers from 1858 to 1862. During the maple sugar season of the spring of 1858, a well-to-do farmer, of western New York, whittled out a spiral or augur-like screw-propeller, in miniature, which he thought admirably adapted to the canal. He soon after went to Buffalo, and contracted for a boat to be built, with two of his Archimedean screws for propulsion by steam. Although advised by his... more...

CHAPTER I.INTRODUCTORY North-West Donegal.  A fine afternoon in September.  The mountain ranges were bathed in sunshine and the scarred and seamy face of stern old Errigal seemed almost to smile.  A gentle breeze stirred the air and the surface of the lakes lay shimmering in the soft autumnal light.  The blue sky, flecked with white cloudlets, the purple of the heather, the dark hues of the bogs,... more...

PREFACE. “It is the duty—the imperative duty—of every individual (however humble) to express conscientiously, but calmly, his public opinions, for by such means truth is elicited.” Hence it may be permitted the writer of the annexed Letter to observe, that a momentous question is now brought to the notice of the people of Great Britain,—that it ought not to be neglected, until perhaps a voice... more...

PART I. THE ELEMENTARY PRINCIPLES AIR THEIR GRIEVANCES The Lecture Hall at the Royal Flying Corps School for Officers was deserted. The pupils had dispersed, and the Officer Instructor, more fagged than any pupil, was out on the aerodrome watching the test of a new machine. Deserted, did I say? But not so. The lecture that day had been upon the Elementary Principles of Flight, and they lingered yet.... more...

PREFACE. Credit for the inspiration of this book belongs to my friend, Mr. W. R. Hall, of Aberystwyth, who, in one of his interesting series of “Reminiscences” of half a century of Welsh journalism, contributed to the “Cambrian News,” recently expressed his surprise that no one had hitherto attempted to write the history of the Cambrian Railways.  With the termination of that Company’s... more...

All Bearings and Courses hereafter-mentioned, are the true Bearings and Courses, and not by Compass. Cape Chapeaurouge. Cape Chapeaurouge, or the Mountain of the Red Hat, is situated on the West side of Placentia Bay, in the Latitude of 46° 53' North, and lies nearly West 17 or 18 Leagues from Cape St. Maries; it is the highest and most remarkable Land on that Part of the Coast, appearing above... more...

TUESDAY LECTURE The Compass Everyone is supposed to know what a compass looks like. It is marked in two ways—the old way and the new way. Put in your Note-Book this diagram:   The new way marked on the outside of the diagram, starts at North with 0°, increases toward the right through East at 90°, South at 180°, West at 270° and back to North again at 360° or 0°. The old way, marked on the... more...

Relief from Railroad Delays and Embargoes. Through the cooperation of State Councils of Defense, Chambers of Commerce, local War Boards, and Motor Clubs, the Council of National Defense, through its Highways Transport Committee and its State Councils Section is building up a system for more efficient utilization of the highways of the country as a means of affording merchants and manufacturers relief... more...

by: Anonymous
The carbureter measures the fuel charges for the engine and automatically mixes them with the proper amount of air to form a highly combustible gas. The Marvel Model "S" Carbureter is of the automatic air valve, heat controlled type. Its outstanding advantages are: 1. Simplicity of construction and operation. 2. Quick starting in any weather. 3. Automatically controlled heat application to... more...

PREFACE. If the River Nidd and the brooks adjacent, in the vicinity of Knaresbro’, up the valley to Ramsgill, near Pateley-Bridge, and near the adopted line, had not possessed the many water-falls, and given motion to the sixty-seven mills which they do;—or had the great landed proprietors, on the line now adopted been hostile to this all improving project, of this highly favoured and not less... more...