simple electrical working models (7 résultats)

Paperback. Etat : Very Good. Paperback. Pages are clean and unmarked. Covers show very minor shelving wear.; 100% Satisfaction Guaranteed! Ships same or next business day!

Soft cover. Etat : Good. Oblong 4to. (25 cm.)68p. Profusely illustrated withk 88 Figures--black and white captioned drawings. Stapled booklet in green wrappers printed in black. Wrappers heavily soiled, corners somewhat rounded and abraded, one inch split up from bottom of spine, a bit of rust on the staples, else good to very good with no internal markings. "The purpose of this book is to show how working electrical models and apparatus can be made by the children, quickly, simply and without expensive or elaborate equipment. At the same time the models are practically foolproof, will stand up to hard use, and require very little adjustment or attention." [from the Preface] Just an extremely practical and useful book of electrical model diagrams from simple switch to buzzer, to electrical railway signal, and the like. W.F.H.Parishwas Science Master, Harold Senior School, West Hampton.

PAPERBACK. Reprint. 69pp, octavo. reprint of the 4th edition. tight binding, clean throughout, clean and glossy wraps, Near Fine.

Pictorial Card. Etat : Very Good. Etat de la jaquette : No Jacket (as published). Facsimile Edition. 69 pages, illustrated. Reprint of the Fourth Edition Clean and soundly bound; near "as new".

Etat : Good. Most items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned. Good, clear condition book. 13th edition.

Soft cover. Etat : Near Fine. No Jacket. Fourth edition. Illustrated. Large print. Reprinted by Lindsay Publications. Paperback Condition: Near Fine. Lightly faded on and around spine, but otherwise crisp, clean, nice copy with no marks, notes, inscriptions.

Paperback. Etat : Good. 44 pages with diagrams etc.