paul instrument ltd (2 risultati)

Soft cover. Condizione: Good. Softcover. Brown paper covers, stapled at the fold, with dark brown lettering on the front cover and two hole-punch perforations. Measures 8-1/2" x 11", 16 pages, in good condition. No date of publication listed; however, it appears to be from about 1915. Black-and-white illustrations throughout. Catalogue contains listings for the company's potentiometers and necessary accessories. Listings consist of an illustration and a wiring diagram for the item in question, accompanied by a description which gives details regarding its construction, operation and maintenance, along with relevant specifications and physical dimensions. Covers have toned at edges; wear and creasing to edges and corners. Top left corner of back cover is chipped. Library markings on front cover. Rubbing to endpapers. Pages have toned, with some wrinkling. The Cambridge & Paul Instrument Co., Ltd., manufacturers of scientific instruments, were based in London. $20.

Soft cover. Condizione: Fair. Softcover. Dark red cloth covers, stapled at the fold, with black lettering on the front cover. Measures 8-1/2" x 11", 11 pages. No date of publication is listed; however, it appears to be from about 1920. Black-and-white illustrations throughout. Catalogue contains information regarding the company's pyrometers. Illustrations of the pyrometers are accompanied by details of their construction, installation, use and maintenance, along with relevant specifications and physical dimensions. Edges of covers have faded; some wear and tear to edges and corners. Two 1-1/2" tears and library markings to front cover. Pages have toned, with a little rubbing. The Cambridge and Paul Instrument Co., Ltd., manufacturers of scientific instruments, were based in London. $25.