Frederic v hetzel (11 risultati)

Hardcover. Condizione: UsedGood. ASIN: B003N073SG Hardcover; 3rd edition, revised and enlarged; surplus lib rary copy with the usual stampings; reference number taped to spine; fading and shelf wear to exterior; fading to pages; otherwise in good condition w ith clean text, firm binding.

Hardcover. Condizione: Good. Ex library. Boards have light wear. Content has light toning. No DJ.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Cloth. Condizione: Very Good. First Edition. Former owner's ink signature and date on fep; Aged end papers, else textblock is clean and tight; Spine-sunned blue cloth binding, bumped at the spine extremities, scuffed corners, shelf rubbed edges and scuffed covers. 333p., including index. Size: 8vo - over 7¾" - 9¾" tall. B&W Photographs/Diagrams (illustratore). Hardcover. …

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Hardcover. Condizione: Near Fine. No Jacket. 2nd Revised. 2nd revised edition. the boards are shelf rubbed and edge worn. mild foxing and markings. ownership stamp. pages are intact and legible. heavy, may require extra postage. [SK]. Our orders are shipped using tracked courier delivery services.

Paperback. Condizione: New. Print on Demand. This book delves into the fascinating history and evolution of belt conveyors and belt elevators, offering a practical guide to their design and use. It covers a breadth of topics, ranging from the earliest known examples of these machines in American industry to the advancements made by pioneers like Thomas Robins in the late 19th and early 20th centuries. The author, an expert with decades of experience in the field, goes beyond mere descriptions of machines and installations, providing insights into the fundamental principles that underpin their operation. The book examines the key components of belt conveying systems, such as the belts themselves, their supporting structures, and driving mechanisms. It delves into the various types of belts used, their strengths and weaknesses, and the techniques employed to improve their durability and efficiency. The book also explores the historical development of belt idlers, the vital structures that guide and support the belt, analyzing the reasons behind the shift from simple spool idlers to more complex multi-pulley systems. This book offers a unique and valuable resource for anyone seeking a comprehensive understanding of belt conveyors and elevators, providing both a historical overview of the industry and a deep dive into the engineering principles that drive their design and application. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Encuadernación de tapa dura. Condizione: Aceptable. 1ª Edición. 4º, tela editorial grabada, buen estado, algunas señales de uso.

Paperback. Condizione: Brand New. 349 pages. 9.00x6.00x0.79 inches. This item is printed on demand.