Reference Books

GENERAL ADVICE The United States is divided geographically into military departments with a general officer commanding each department. The departments and their headquarters are as follows: (1) The Northeastern Department, with headquarters at Boston, Massachusetts. (2) The Eastern Department, with headquarters at Governors Island, New York. (3) The Southeastern Department, with Headquarters at... more...

PREPARATIONS Usually there is plenty of time after the beginning of first labor pains to get ready for the delivery. Signs of labor are low backache, bloody-tinged mucous strings passing from the birth canal, or a gush of water from the birth canal. The mother will need a clean surface to lie on. Her bed should be so arranged that the mattress is well protected by waterproof sheeting or pads made from... more...

RENEWAL REGISTRATIONS A list of books, pamphlets, serials, and contributions to periodicals for which renewal registrations were made during the period covered by this issue. Arrangement is by author or issuing body or, in the case of serials, compendia, etc., by title. Information relating to both original and renewal registrations is included in each entry. Cross-references from the names of renewal... more...

A Bit of His Life Talbot Mundy was born in London on April 23, 1879. He was educated at Rugby, and served nearly ten years, beginning in 1900, as a government official in Africa and India. While in India, he wandered all over the sub-continent on horseback, and even into Tibet. Eastern occult lore first attracted, then fascinated, his active and unorthodox mind. Mundy absorbed all he could learn of the... more...

AUTHOR’S PREFACE This Volume, specially prepared for the use of students at an early period of their study of English Heraldry, commends itself also to those inquirers who may desire to obtain some general information on the same subject, without having any intention to devote to Heraldry much either of their time or of their serious regard. The success, no less extraordinary than gratifying, of my... more...

DIAMETER (from the Gr. διά, through, μέτρον, measure), in geometry, a line passing through the centre of a circle or conic section and terminated by the curve; the “principal diameters” of the ellipse and hyperbola coincide with the “axes” and are at right angles; “conjugate diameters” are such that each bisects chords parallel to the other. The diameter of a quadric... more...

RENEWAL REGISTRATIONS A list of books, pamphlets, serials, and contributions to periodicals for which renewal registrations were made during the period covered by this issue. Arrangement is alphabetical under the name of the author or issuing body or, in the case of serials and certain other works, by title. Information relating to both the original and the renewal registration is included in each... more...

INITIALS USED IN VOLUME IV. TO IDENTIFY INDIVIDUALCONTRIBUTORS, WITH THE HEADINGS OF THEARTICLES IN THIS VOLUME SO SIGNED.A. B. R.Alfred Barton Rendle, F.R.S., F.L.S., M.A., D.Sc.Keeper of the Department of Botany, British Museum.{Botany.A. E. H.A. E. Houghton.Formerly Correspondent of theStandardin Spain. Author ofRestoration of the Bourbons in Spain.{Cabrera.A. E. S.Arthur Everett Shipley, F.R.S.,... more...

RENEWALS An alphabetical list under main headings (author, editor, compiler or title), of works in Class A for which the renewal copyright was registered during the period covered by this catalog. Joint authors, editors, etc., are represented by references leading to the respective main headings. Information relating to both the original and renewal registration is included in each entry. ABBOTT,... more...

CHAPTER I THE SELECTION AND TESTING OF A GLASS "O telescope, instrument of much knowledge, more precious than any scepter! Is not he who holds thee in his hand made king and lord of the works of God?"—John Kepler. If the pure and elevated pleasure to be derived from the possession and use of a good telescope of three, four, five, or six inches aperture were generally known, I am certain that... more...