This three-piece movable-parts aid saves time in teaching the scaling of photos and illustrations in graphic arts. (Editor)

Describes ways of improving the use of the overhead projector in teaching writing. (DD)

This pamphlet identifies the components of the overhead projector and suggests ways it can be used in presenting instruction. Advantages and disadvantages of the overhead are listed, and instructions are provided for setting up, positioning, and focusing the equipment. Information is also given on how to use opaque materials and overlays, how to…

The methodology for developing and using diazo leaves as a means of instruction in the classroom is described. (JC)

Aiming at turning theory of structures into a captivating subject to civil engineering students and at helping them understand the link between the mathematical models and the real structures, a new experience is underway at the Department of Structural and Foundation Engineering of Excola Politecnica da Universidada de Sao Paulo: transparencies…

This concise guide is designed to provide educators in universities and colleges with basic information on both the preparation and proper use of overhead transparencies for teaching purposes. Each step in the creation of high quality material is explained and illustrated, and the basic principles underlying learning from projected transparencies…

Ways in which the slide projector can be used to help the student of English with vocabulary acquisition are examined. A teaching technique to enable the language learner to acquire rapidly a basic vocabulary is outlined. (Author/RM)

Two computer-generated star charts that can be used as overlay transparencies to show an expanding universe are presented. Directions on how to use the star charts to determine the Hubble constant and the age of the universe are provided. (KR)

A fundamental method of explaining the basic accounting principles and concepts (debit, credit, basic accounting equation) which includes visual aids, reference to local businesses, and drill, does much toward increasing the student's skill and enhancing his understanding of the subject matter. (Sample transparencies are included.) (Author/AJ)

Describes how teachers can prepare nonphotographic slides on cellophane with the aid of a transparency machine as a substitute for the overhead projector. (RL)

The use of the overhead projector is described. Information is provided on where to obtain transparencies; the value of pointing; writing and drawing "in situ"; commutation; and movables. (HP)

Discusses the value of the overhead projector in the second language classroom. (Text is in French.) (AM)

The purpose of this study was to determine if freshman biology laboratory classes would experience comparable achievement after being taught by different instructional techniques. Five groups of 18 students were involved in the study. Each group covered the same material, however, five different instructional procedures were used: (1) instruction…