BASIC BIOLOGY & METHODS of SCIENCE

Introduces fundamental biological mechan-
isms that are basic to an understanding of
how organisms live and function. Presents
some of the fundamental intellectual, phys-
ical & conceptual tools of scientific study.

MICROSCOPES AND OSCILLOSCOPES
Introduces the various types of micro- scopes found in schools, and what can be done with them. Introduces oscilloscopes. One video, 3 slide programs, & guides.
EPFV-1391X SLI/VID
$139.95

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SAVE $57.00 ON 4 PROGRAM BUNDLE ORDER EP #FV-1391X.......$139.95
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THE MICROSCOPE Video order #FV-1391V.........$99.95

Fundamentals and proper handling! A six part program that teaches the history of
microscopes from water-filled glass spheres to today's compound microscopes. Physical
theory and calculations of magnification, plus lab procedures. Demonstrates proper tech-
niques for culturing, wet mounting and staining algae, protozoa and plant sections,
introduces crystallography and watching crystals grow. Teaches a low cost, simple
approach to photomicrography that works! Video or filmstrips and guide. (Filmstrips (6)
order FS-1391F……$49.95.)

REVIEWS: "...a practical analysis of the instruments' parts and function...that empha-
sizes the mystery of realms made visible...stunning photomicrographs...thorough coverage for
high school and community college science and biology classes." Booklist.
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MICROSCOPES AND HOW TO USE THEM Slides order #SS-0182X.......$54.95

Light, phase contrast, interference, dark-field, electron and scanning electron
microscopes and photographs taken with each to show their capabilities. Introduces the
proper procedure for using the common laboratory microscopes (compound and
dissecting). 37 frames and 2 guides. (Filmstrips (2) order SS-0183X........$15.00.)

CONTENT SAMPLE: 19. Looking at the side of the stage, lower the objective with the
coarse adjustment knob until it comes very close to the slide, or until it won’t go any further
(whichever comes first). You should always proceed in this way so as not to damage the slide or
the lens.
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INTRODUCTION TO OSCILLOSCOPES Slides order #779…..$42.50

A simple, step by step introduction for the beginning student of this wide-spread
research tool. Explains the trace, the various controls and typical applications. 20 slides
and guide.
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~0592-078~ Flea. photomicrograph by Educational Images Ltd.

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