Science/Nature Books

Showing: 71-80 results of 118

There Comes a New WorldMysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures.he one hundred and fifty-ninth floor of the great Transportation Building allowed one standing at a window to look down upon the roofs of the countless buildings that were New York. Flat-decked, all of them; busy places of hangars and machine shops and... more...

by: Various
IMPROVED DYNAMO MACHINE. The continuous current and the alternating current generators invented by Dr. J. Hopkinson and Dr. Alexander Muirhead are peculiarly interesting as being probably the first in which the bobbins of the armature were wound with copper ribbon and arranged on a disk armature much in the same way as was afterward done by Sir William Thomson and by Mr. Ferranti. In the... more...

The City of Victoria is situated on the southern end of Vancouver Island, in the Province of British Columbia, Canada, and is the capital of the Province. In common with all cities of the extreme West, its growth has been very rapid within the last few years. The population of the city proper, together with that of the municipality of Oak Bay, immediately adjacent, is now about 35,000. The Victoria... more...

Introduction. The mine disaster, which occurred at Cherry, Ill., on November 13th, 1909, when 527 men were in the mine, resulting in the entombment of 330 men, of whom 310 were killed, has again focused public attention on the frequent recurrence of such disasters and their appalling consequences. Interest in the possible prevention of such disasters, and the possible means of combating subsequent mine... more...

by: Various
PROGRESS OF ANTWERP. Antwerp is now the chief port on the Continent. Since 1873 the progress has continued, and made very rapid advances. In 1883 the tonnage of the port reached 3,734,428 registered tons. This marvelous development is partly due to the position of Antwerp as the embarking point from the Continent of Europe to America, and partly also to the recent additions and changes which have been... more...

by: Various
Bulletin No. 6 of Missouri Agricultural College Farm is devoted to an account of experiments intended to demonstrate the relation of dew to soil moisture. Prof. Sanborn has prosecuted his work with that patience and faithfulness characteristic of him, and the result is of a most interesting and useful nature. The Professor begins by saying that many works on physics, directly or by implication, assert... more...

by: Various
IRON PILE PLANKS IN THE CONSTRUCTION OF FOUNDATIONS UNDER WATER. The annexed engravings illustrate a method of constructing subaqueous foundations by the use of iron pile planks. These latter, by reason of their peculiar form, present a great resistance, not only to the vertical blow of the pile driver (as it is indispensable that they should), but also to horizontal pressure when excavating is being... more...

With Discussion by Messrs. William Arthur Payne, and Eugene Klapp. A private yacht pier, built near Glen Cove, Long Island, has brought out a few points which may be of interest. It is an example of a small engineering structure, which, though of no great moment in itself, illustrates the adoption of means to an end that may be capable of very great extension. The problem, as submitted to the writer,... more...

by: Various
THE ROSE-BREASTED GROSBEAK. HIS is an American bird, and has been described under various names by various authors. It is found in the lower parts of Pennsylvania, in the state of New York, and in New England, particularly in autumn, when the berries of the sour gum are ripe, on the kernels of which it eagerly feeds. As a singer it has few superiors. It frequently sings at night, and even all night,... more...

his news," said Cliff Hynes, pointing to the newspaper, "means the end of homo Americanus."Out of the Antarctic it came—a wall of viscid, grey, half-human jelly, absorbing and destroying all life that it encountered.The newspaper in question was the hour-sheet of the International Broadcast Association, just delivered by pneumatic tube at the laboratory. It was stamped 1961, Month 13, Day... more...