Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . same time places the kinetographicportion of the apparatus in a convenient position forfilm-changing. Whatever plan is adopted on the score of rapidity,an automatic rule should be followed to make sure thatthe right end of thefilm is placed firstin the machine. Inall projection workthe rule for obtain-ing a correct imageon the screen is filmside upside -downto the now-almost invariablybear two whitespots at the top ofthe film side, and ifthe
Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . same time places the kinetographicportion of the apparatus in a convenient position forfilm-changing. Whatever plan is adopted on the score of rapidity,an automatic rule should be followed to make sure thatthe right end of thefilm is placed firstin the machine. Inall projection workthe rule for obtain-ing a correct imageon the screen is filmside upside -downto the now-almost invariablybear two whitespots at the top ofthe film side, and ifthese appear down-wards towards theback of the lantern,the picture is boundto be correct onthe screen. So withkineto-films, a mark of some description should bemade on the film side at that end where the last picturehas sky or heads of figures outwards, and in windingfilms the unmarked end should be rolled on the film side towards the projection-lens re-verses the picture from right to left—not a seriousmatter as a rule, unless a well-known landscape or anylettering appear on the scene. But this error is apt to. Fig. 234. 214 LIVING PICTURES. cause strange effects in other ways. For instance, atone entertainment, Ranjitsinhji was shown batting ingrand style—left-handed I Not a hkely experimentfor an Australian test-match, it must be confessed!But the operation usually known as reversing consistsin passing the film backwards through the machine,,thus presenting the effect reversed in point of instance, a reversed diving-scene will show an existing splash which gradually dies down, andfrom which emerges aman, feet uppermost, who-in this attitude makes to the diving-boardfrom which he shouldhave started. The usualway of working this isas previously stated; thefilm is run backwards,not by a reverse motionof the machine, but bystarting at the wrongend of the film. Con-sequently the view wouldbe upside-down on thescreen, but a reversing-prism is used t
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectmotionpictures
