Described is a device that can be set up on a bench with inexpensive apparatus. The device performs in non-coherent white light according to the laws of geometrical optics. (RH)

Describes the Surplus Buying Agency, a British organization from which schools can obtain physics materials and equipment obtained from governmental and industrial sources. (MLH)

Presents some solutions to problems commonly encountered in maintaining a classroom aquarium: pH control, overfeeding, overcrowding of tank populations, incorrect temperature settings, faulty introduction of fish into the tank, and the buildup of too many nitrogenous wastes. (PB)

This training manual presents material on the theoretical concepts involved in the methods listed in the Federal Register as approved for determination of trace metals. Emphasis is on laboratory operations. This course is intended for chemists and technicians with little or no experience in analytical methods for trace metals. Students should have…

In order to serve college administrators, architects and physics educators, a collection was made of material reflecting the state-of-the-art of physics building design. This body of material, including drawings, diagrams, and photographs, resulted largely from extensive interviews with about 50 institutions who had recently built such facilities.…

The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

Illustrates ways to recycle plastic milk jugs into useful laboratory equipment. Among the uses described are storage containers, scoops, funnels, and flower pots. (MA)