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3,560 results for "les" in Creator.

Found in catalogs (50+)

• Business Screen 1955 — page 609

  Standards for the preparation of i6 mm printing leaders rallies with the three dots in the picture rolls are opposite the frames with he…

• Educational Screen 1932 — page 13

  …In a later unit, in our study of lenses, we shall measure focal lengths of lenses, and review the relationships between focal lengths, object…

• Business Screen 1955 — page 480

  …VISTASCOPE ANAMORPHIC LENSES FAITHFUULY REPRODUCE NATURAL VISION. The VISTASCOPE anamorphic lens gives not only more than twice the scope of standard lenses but greater…

• Educational Screen 1934 — page 124

  Page 122 The Educational Screen Critical Problems In Modern Learning -:•;• W. M. GREGORY ARE school executives using the most effec- tive aids to learning…

• Educational Screen 1926-1927 — page 460

  …Hence lens of short focal length are used to give moderately large picture at close range, whi lenses of long focal length are used…

• Business Screen 1969 — page 821

  …This assures precise and lasting lens seating and alignment for heavy and long lenses, such as zoom optics. Wear of lens mount and socket…

• Business Screen 1955 — page 561

  …VISTASCOPE C-2 lens. An> 35mm camera u^ing standard Kodachronie or similar film may he u-ed pro\i{led len- has a…

• Educational Screen 1932 — page 82

  …We found that focal length of a lens or combination of lenses determines the size of the image on the screen. Since many teachers…

• Educational Screen 1932 — page 83

  …Finding focal lengths of objective lenses taken from projectors. Measure the distance from the lens, or approximate center of a combination of lenses, to…

• Business Screen 1969 — page 433

  …This assures precise and lasting lens seating and alignment for heavy and long lenses, such as zoom optics. Wear of lens mount and socket…

• Educational Screen 1930-1931 — page 633

  December, 1931 Page 311 Leitz Produces New Lens All who are interested in the Leica Camera will wel- come the announcement by E. Leitz…

• Educational Screen 1946-1947 — page 809

  …Model 3 (less lens, carrying ca:e, turret head, and special finder) $99; Model 4 (less lens and carrying case) $140; Model 5 (with…

• Educational Screen 1957-1958 — page 560

  …Designed to accommodate the new tur- ret cameras whose lenses ore not re- movable and where the focal length of the lens varies from…

• Educational Screen 1948-1949 — page 317

  …VA Delineascope with 16" Lens 6" X 6" Original {Picture) No lens extension One lens extension Two lens extensions Three lens extensions This lens…

• Educational Screen 1954,1955,1956 — page 1361

  …Let me try to summarize them (1) The Textbook Is Boss First Level: Here the textbook is the master The classroom teacher regards the…

• Educational Screen 1954,1955,1956 — page 656

  …Preparing the Group In order that learning may take place most efficiently, the learner mu,st be psychologically ready to learn. This readiness has…

• Business Screen 1965,1966 — page 842

  "FOLLOW THE LEADER" BRINGS MANAGER SOME FORCEFUL, BASIC CONCEPTS Facing Up to Our Crisis in Leadership nPHEREs Concern That American institu- -*■ tions, both public…

• Educational Screen 1946-1947 — page 808

  Page 324 Ediicatioval Screen 8 mm Filmo Tri-Lens 8 (Bell & Howell Co.) Three-lens turret model Weight— 2 lbs. 5 o:. Rest of…

• Educational Screen 1930-1931 — page 418

  …Furness Director of Publicity, Methodist Episcopal Board of Education Lenses What lens is best for an amateur movie camera? The variety of lenses available…

• Business Screen 1956 — page 503

  NEW ARRIPAN-CINOR'ZOOM'^ENs ^t. ^ Continuously Variable in Focal Length from 17.5 to 70mm No movie camera is so well suited for…

• Educational Screen 1934 — page 125

  …To aid mass learning or to reach the large classes, graphic drawings are learning tools that will be mine widely used as the scl…

• Business Screen 1969 — page 96

  …camera balancing and tightening lever; removable pan handle adjusts in any position; "T" level; accommodates any camera up to 30 lbs. ri:.*395.00…

• Educational Screen 1926-1927 — page 459

  …If the liiip and the reflector are properly adjusted, lese two images will almost coincide. iThe converging of the rays emerging from le condenser…

• Educational Screen 1939 — page 94

  …Teachers, however, need not abandon the idea of presenting facts graphically because of their inability to properly letter the material. Numerous mechanical lettering devices…

• Business Screen 1970 — page 108

  fixed focal length lenses for the ARRIFLEX 16BL permit unparalleled visual creativity, capability and contn The silent 16BL's versatility in the studio and…

• Educational Screen 1946-1947 — page 100

  …Yet within a few short years this help- less child must learn at least minimum adjustment pat- terns of behavior. How will he learn…

• Business Screen 1967,1968 — page 626

  …Features positive grip locks; camera balancing and tightening lever; removable pan handle adjusts in any position; "T" level; accommodates any camera up to 30…

• Business Screen 1957 — page 418

  …w/three lenses, electric motor, thru- lens finder, ten 200' magazines, two cases DeVry 35mm, w/lens, spring motor Cunningham w/ pilot pin movement…

• Educational Screen 1954,1955,1956 — page 1243

  • —} \ * even a child can raise the largest, heaviest \ Levolor A-V Blind (^ v^ MANY CLASSROOMS have windows which require extremely large blinds. Because of…

• Business Screen 1967,1968 — page 795

  …camera balancing and tightening lever: removable pan handle adjusts in any position; "T" level; accommodates any camera up to 30 lbs. with Pro-Jr…

• Business Screen 1955 — page 87

  …Let the skills of the skillful be seen at their best, and at the behest of the master craftsman let the learner be led…

• Educational Screen 1937 — page 28

  …objective lens, condenser lens, focal length of lenses, aperture, aperture plate, inter- mittent sprocket, intermittent movement, gate, alter- nating current, direct current, rotary shutter…

• Educational Screen 1933 — page 92

  …Write for Free Illustrated Booklet "Why LEICA?" Monthly bulle- tin, "Leica Photography", sent to all registered LEICA owners. E. LEITZ, Inc.. Dept. 257 60…

• Educational Screen 1957-1958 — page 315

  …For more informotion circle 107 on coupon EK Wide-Angle 8mm Lens $54.50. An F:1.9 short focal length, wide-angle lens…

• Educational Screen 1944-45 — page 846

  Page 394 Edticational Screen The Importance of Perceptual Learning A careful and scholarly discussion of the fundamental truth underlying all visual teaching—the interdependence…

• Business Screen 1942,1943 — page 118

  7 No picture ever taught any man to do anytliing Men learn to do onlv by doing. Skills are acquired only by actual performance…

• Educational Screen 1932 — page 14

  …Focal Lengths: Price: Dealer : Distances From Screen : Widths of Images: Focal Lengths of Lenses: (Compare your results with the following tables.) Focus of lens…

• Educational Screen 1946-1947 — page 645

  …Edgar Dale's November 1946 "News Letter". The e.xperienced leader will begin the participation process when the learning unit is mapped out, inviting…

• Educational Screen 1957-1958 — page 561

  controls end leveling gauges; complete frome collopsibility permits use of ex- treme wide angle lens. Vignetting pre- vented. By changing bock and bellow, Sinor…

• Educational Screen 1951,1952,1953 — page 910

  As Viewed From Here Editorial! Audio-visual materials might then become as basic as books; Equal Opportunity to Learn • A statistical report on the…

• Business Screen 1955 — page 481

  interest OF THE MATTER VISTASCOPE SCREEN AREA (RATIO 2.55 TO 1) — COMPATIBLE TO CINEMASCOPE VISTASCOPE ANAMORPHIC LENS COMPATIBLE WITH CINEMASCOPE The VISTASCOPE anamorphic…

• Business Screen 1955 — page 346

  …Aluminum leg tops—no holes drilled thru wood legs H. Four bolted leg supports with leg rest ledge I. Single knob leg tightening —for…

• Educational Screen 1924-1925 — page 60

  …9 A Lesson on Cotton — Part 1 I N our last article we promised to apply enth year class. Let us make it, we…

• Business Screen 1955 — page 486

  …Four bolted leg supports with leg rest ledge H. Aluminum leg tops— no holes drilled thru wood legs I. Single knob leg tightening —for…

• Educational Screen 1934 — page 84

  …One of 11 interchangeable LEICA lenses (including telephoto, wide angle lenses, and others!. The LEICA Camera is small, fits the pocket, easy to operate…

• Educational Screen 1941 — page 35

  …It is impossible to do this with the viewing lens of the double lens reflex because of its unadjustable aperture. The double lens reflex…

• Educational Screen 1939 — page 232

  …Assembling duplicate sets of lantern slide les- sons to be sent to classrooms in Cleveland for radio S. Assembling slides for radio lesson. broadcasts…

• Business Screen 1949. 1950 — page 348

  …LiiARNiiNG Factual Material Relation of Learning To Intel- lectual .\bilily: In the learning of factual material it was found that those with greater intellectual…

• Business Screen 1949. 1950 — page 457

  …clicks the stand-by lens into auto- matic alignment in the taking position. There':? no trick to switching focal lengths ... no risk of obscured…

• Educational Screen 1932 — page 177

  …In our usual lectures the students are not re- quired to take notes, and some of, our best students take no lecture notes at…