Air concentrations of PCBs and metals at Crab Orchard National Wildlife Refuge /

"May 1995"--Cover.

Determination of heavy metals on the Rock River through the analysis of sediments /

"HWRIC project 88-043."

Levels of PCBs and trace metals in Crab Orchard Lake sediment, benthos, zooplankton and fish /

"HWRIC Project number HWR 87027."

A philosophical and practical essay on the gold and silver mines of Mexico and Peru : containing the nature of the ore, and the manner of working the mines, the qualities and use of quicksilver, the cleansing and refining these metals : with many useful observations concerning the assay of metals, the manner of conveying them to Europe, and remarks on the gold mines in Hungary, and those of Asia and Africa /

No Spanish ed. in: NUC pre-1956, BLC, Sabin, Palau y Dulcet (2nd ed.).

Practical essay on the strength of cast iron, and other metals... containing practical rules, tables, and examples; founded on a series of new experiments, with an extensive table of the properties of materials.

"A list of authors": p. [299]-300.

Practical essay on the strength of cast iron, and other metals : intended for the assistance of engineers ... containing practical rules, tables, and examples; founded on a series of new experiments /

"A list of authors": p. [297]-298.

The laboratory, or, School of arts : containing a large collection of valuable secrets, experiments, and manual operations in arts and manufactures : highly useful to gilders, jewelers, enamellers, goldsmiths, dyers, cutlers, pewterers, joiners, japanners, book binders, plasterers, artists, and to the workers in metals in general, and in plaster of paris, wood, ivory, bone, horn, and other materials /

Mode of access: Internet.

An historical inquiry into the production and consumption of the precious metals.

Goldsmiths'-Kress no. 26788.

Pocket geologist and book of minerals. Elements, minerals, rocks, veins, metals, ores, carbons, gems, spars, limes, clays, grits, salts, paints.

Mode of access: Internet.

An elementary outline of mechanical processes, giving a brief account of the materials used in engineering construction and of the essential features in the methods of producing them, also describing shop processes and equipment for the shaping of metals into forms for engineering and general uses;

Mode of access: Internet.

Metals; their properties and treatment,

Mode of access: Internet.

Structure and related properties of metals.

"Compiled by Henry S. Rawdon, physicist, from results of metallographic examinations made by the Bureau of Standards, except where indicated otherwise."--p. 3.

Thermal conductivity of metals and alloys at low temperatures : a review of the literature /

Includes bibliographical references.

Metals, their properties and treatment,

"Based on work originally compiled by the late Charles Loudon Bloxam, published in 1872; re-written and augmented by myself in 1882." A.K. Huntington. Preface.

Audio level meter ME-71A/FCC.

"June 1956."