RECENTLY ENACTED TAX INCENTIVES AID R&D DECISIONS.

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作者：
Oosterhuis, Paul
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来源：
Industrial research/development | 1982年 / 24卷 / 02期
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摘要：
Described is a long-distance microscope with a visual focusing range that extends from about 21. 5 to 77 in. as measured between the front surface of the lens barrel and the object plane. It allows one to record observations on film with a 35 mm SLR camera or a high-speed video camera.
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页码：194 / 197
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