Sentences with phrase «juxtaposed slide projectors»
Invented by amateur astronomer Ben Mayer, the PROBLICOM (Projector Blink Comparator) uses two juxtaposed slide projectors and a rotation disc to alternately obscure the images at a stroboscopic pace.
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Invented by amateur astronomer Ben Mayer, the PROBLICOM (Projector Blink Comparator) uses two juxtaposed slide projectors and a rotating disc to alternately obscure the images at a stroboscopic pace.