单词 | flash-meter |
释义 | > as lemmasflash-meter flash-meter n. a device similar to the shutter of a camera which permits momentary exposure of slides for teaching purposes. ΘΚΠ society > leisure > the arts > visual arts > photography > viewing of photographs > [noun] > projecting on to screen > projector > parts of tinter1891 projection lens1894 lamp-house1912 slide carrier1953 flash-meter1957 slide changer1959 1957 D. T. Herman et al. in S. Saporta & J. R. Bastian Psycholinguistics (1961) 538/2 A Keystone Model 1045 projector equipped with an Ilex flashmeter was used. 1959 J. W. Brown et al. A-V Instructional Materials Man. iv. 157 Keystone overhead projector setup, with tachistoscope (flash meter) and mask in place, ready to project reading slides. < as lemmas |
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