Published by Smithsonian Institution, Washington, 1873
Seller: Cosmo Books, Shropshire., United Kingdom
US$ 22.42
Quantity: 2 available
Add to basketBooklet - Unbound Pages. Condition: Very Good. DeForest presents mathematical methods for smoothing and graduating uneven numerical series especially mortality tables followed by further additions refining his earlier work. 65 Pages, 35 Pages. An authentic standalone article, extracted from a larger volume. Not a reprint or reproduction, but an original work in its own right. Preserved in a modern card cover, prepared for practicality - an unassuming but serviceable presentation that favours function over finery. Size: 16 x 24 cms. Category: Smithsonian Institution; Cosmo Books : 29 years on ABE, 47 years taking care of customers. A bookseller you can rely on.