Pol Balth (34 results)

Condition: Very Good. 2nd edition; 430 pp., hardcover, previous owner's name to front pastedown, a small inscription to rear pastedown, faint wear to cover edges else text clean & binding tight in a fragmentary dust jacket. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country.

Soft cover. Condition: Fair. Pages clean and unmarked but lightly toned (age tanned). Some minor wrinkling to front cover and pages from exposure to moisture. Water stains along the spine-edge of the back cover. Some pages with light creases or wrinkles. Front and back covers lightly soiled. About 3" of the outer skin of the spine peeled off. Will be bubble-wrapped and carefully packed in a sturdy box to ensure safe transit. This issue includes: Officers and Board of Direction; Committees; Institute Sections; Institute Activities: Institute Meetings; Institute Activities: Committee Work; "A New Type of Standard Frequency Piezo-Electric Oscillator" by L. P. Wheeler and W. E. Bower; "The Effect of Regeneration on the Received Signal Strength" by Balth. van der Pol; "Characteristics of Output Transformers" by J. M. Thomson; "Cooperation between the Institute of Radio Engineers and Manufacturers Associations" by Alfred N. Goldsmith; "Notes on Quartz Plates, Air-Gap Effect, and Audio-Frequency Generation" by August Hund; "Notes on Aperiodic Amplification and Application to the Study of Atmospherics" by August Hund; "Effect of the Antenna in Tuning Radio Receivers and Methods of Compensating for It" by Sylvan Harris; "The Cause and Prevention of Hum in Receiving Tubes Employing Alternating Direct Current on the Filament" by W. J. Kimmell; "The International Union of Scientific Radiotelegraphy" by J. H. Dellinger; "The Tuned-Grid, Tuned-Plate, Self-Oscillating Vacuum-Tube Circuit" by J. Warren Wright; "Radiation and Induction" by R. R. Ramsey and Robert Dreisback; "Development of a System of Line Power for Radio" by George B. Crouse; "Book Review: 'History of Radio Telegraphy and Telephony'"; Monthly List of References to Current Radio Literature and Applications for Membership.

Hardcover. Condition: Good. Dust Jacket Condition: No Dust Jacket. First Edition. Ex-library with spine slip, cardholder, university and withdrawn slips, badly cracked in one place, Good. No Dust Jacket.

Hardcover. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

hardcover. Condition: Good. No dust jacket. Good hardcover with some shelfwear; may have previous owner's name inside. Standard-sized.

hardcover. Condition: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority!

Hardcover. Condition: Fine. No Jacket. 3rd Edition. Shipped from the Calico Cat Bookshop, a brick and mortar bookshop established in 1975. Size: Octavo. Book.

Condition: Fair. Acceptable condition. No Dust Jacket (Calculus, Mathematics) A readable, intact copy that may have noticeable tears and wear to the spine. All pages of text are present, but they may include extensive notes and highlighting or be heavily stained. Includes reading copy only books. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.

Condition: Fine. 1935. Offprint from Tijdschrift Van Het Nederlandsch Radiogenootschap, Schap 7, March 1935.Octavo, pp. 12-17, original printed wraps. Fine.

Condition: Fine. 1935. Offprint from Tijdschrift van het Nederlandsch Radio-Genootschap 7, September 1935. 8vo., pp. 93-97, wraps. Fine.

wrappers, 8vo 40 pp. operational calculus of Heaviside in the form given by Carson; reprint; VG condition.

Condition: Fine. 1934. Offprint by Laboratoria N. V. Philips' Gloeilampenfabrieken from Physica May 1934. 8vo., pp. 521-530, printed wraps. Fine. .

Condition: Fine. 1934. Offprint from Physica 1, April 1934. 8vo., pp. 481-496, wraps. Fine.

Condition: New.

paperbound, 8vo xiii+415 pp. the Fourier integral; elementary operational images; the Delta or impulse function; linear differetial equations; step functions; etc.; fair/good condition (spine with wear, interior clean without annotations).

Condition: Near Fine. 1932. Offprint from Philosophical Mazagine 13, March 1932. Octavo, pp.537-77, errata slip laid in, printed wraps. Owner signed on front. Near Fine.

Condition: New. In.

Paperback. Condition: New.

Hardcover. Condition: Good. No Jacket. Ex-library, Volume I of Lectures in Applied Mathematics, Proceedings of the Summer Seminar, Boulder, CO., 1957, 266pp, G/--. Ex-Library.

Condition: New. pp. 432.

Condition: Fine. 1935. Offprint from Tijdschrift Van Het Nederlandsch Radiogenootschap, Schap 7, March 1935.Octavo, 11p., original printed wraps. Fine.

hardcover. Condition: Good. Good. Dust Jacket NOT present. CD WILL BE MISSING. . SHIPS FROM MULTIPLE LOCATIONS. book.

Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - Primarily this book is intended for application of the operational calculus to mathematics, physics, and technical problems.

(26,5 x 19 cm). SS. 353-392. Mit Abbildungen. Original-Broschur. Erste Ausgabe der ersten Veröffentlichung über den Van-der-Pol-Oszillator, ein schwingungsfähiges System mit nichtlinearer Dämpfung und Selbsterregung. Der niederländischen Physiker Balthasar van der Pol entdeckte es bei seinen Forschungen an Oszillatoren mit Vakuumröhren. - Einband mit handschriftlichem Namenszug und leicht fleckig, sonst gut erhalten.

Condition: VG. 1937. Offprint from Philosophical Magazine 24, July 1937. 8vo., pp.141-176, wraps. VG.

Condition: VG. 1925. Offprint from Annalen der Physik, IV. In German. Octavo, pp.370-406, wraps. Signed by Bernard Salzberg. VG.

8°. P. 385-392, 393-397. Orig. wrappers. = "Laboratoria N.V. Philips' Gloeilampenfabrieken, Eindhoven (Holland)", Separaat 1101-1102. Published in: Physica III, number 6. Sprache: englisch / english. + Wichtig: Für unsere Kunden in der EU erfolgt der Versand alle 14 Tage verzollt ab Deutschland / Postbank-Konto in Deutschland vorhanden +.

(21,5 x 14,5 cm). VIII, 1296 S. Mit zahlreichen Abbildungen und Tafeln. Halbleinwandband der Zeit. Erste Ausgabe. - Der niederländische Elektroingenieur und Physiker Van der Pol (1889-1959) stellt hier die Ergebnisse seiner Forschungen an Oszillatoren mit Vakuumröhren vor und beschreibt ein schwingungsfähiges System mit nichtlinearer Dämpfung und Selbsterregung, das nach seinem Erfinder "Van-der-Pol-Oszillator" genannt wird. - Rücken ausgebleicht und sorgsam restauriert, sonst gut erhalten.

Condition: VG. Three separate offprints, each in original printed wraps. Two octavo, one is 4to (1937) : (1) Tchebycheff: Hague. 1933 first edition. Nijhoff. p. 77-96. (2) Calculus: 1935 first edition. Nederlandsch Radiogenootschap. p. 18-32. (3) Radio: 1937 first edition. Journal of the Institution of Electrical Engineers London. pp. 381-398. 2 fullpages of photo illus. All 3 articles VG . Set of 3:

Paperback. Condition: Brand New. 1st edition. 429 pages. 9.00x6.00x0.96 inches. In Stock. This item is printed on demand.