Descriptor
| Equipment Evaluation | 4 |
| Equipment Utilization | 4 |
| Merchandise Information | 4 |
| Educational Equipment | 3 |
| Projection Equipment | 2 |
| Broadcast Reception Equipment | 1 |
| Closed Circuit Television | 1 |
| Communications | 1 |
| Educational Technology | 1 |
| Educational Television | 1 |
| Elementary Secondary Education | 1 |
| More ▼ | |
Author
| Greenhill, L. P. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
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Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
School Progress, 1973
Descriptors: Equipment Evaluation, Equipment Utilization, Merchandise Information, Performance Factors
Educational Product Report No 66, 1975
This report presents the results of laboratory tests and field reports on seven projectors, including two slot loading, four automatic threading, and one manually threading that has a simple automatic threading attachment. (Author)
Descriptors: Educational Equipment, Equipment Evaluation, Equipment Maintenance, Equipment Standards
School Business Affairs, 1984
A new sliding insulated panel reduces window heat loss up to 86 percent, and infiltration 60-90 percent, paying for itself in 3-9 years. This article discusses the panel's use and testing in the upper Midwest, reporting both technical characteristics and users' reactions. (MCG)
Descriptors: Educational Equipment, Elementary Secondary Education, Energy Conservation, Equipment Evaluation
Download full textGreenhill, L. P.; And Others – 1962
Eidophor, a new control layer television projector that projects a television image on a large screen, in color as well as in black and white, was field tested at The Pennsylvania State University. Objectives of the investigation were: to assess and compare the effects on learning of instruction presented by Eidophor on a large screen and in a…
Descriptors: Broadcast Reception Equipment, Closed Circuit Television, Communications, Educational Equipment
