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1 result for "Image Projections" in Creator.

Found in catalogs (50+)

• Educational Screen 1948-1949 — page 317

  …Motion picture projectors and most slide projectors have enough lens extension to produce images from a few inches in dimension to a size suitable…

• Educational Screen 1954,1955,1956 — page 225

  …The image should be related to the size of the group, and not the screen, or the room. The light output of a projector…

• Educational Screen 1932 — page 13

  …should have projection lenses of prop- er "equivalent focal lengths" to give sizes of images desired on screens, at fixed projection distances. Author's…

• Educational Screen 1948-1949 — page 108

  …Even when projected under illumination adequate for notetaking, screen images remain clear and brilliant. This is made possible by the LRM Balopticon's two…

• Educational Screen 1926-1927 — page 460

  …In general the ratio I/O represents the magnification of the image, and the farther the projector is from the screen the larger the…

• Educational Screen 1936 — page 223

  …Sound Projector. In Uni- versal you enjoy record breaking tone t(uality and brilliancy in screen image. P^conomy is the boast of every…

• Educational Screen 1932 — page 274

  …MYERS that mental imagery forms the very structure of thought. Seabury says, "Every voluntary action of the human being is first an image of…

• Educational Screen 1923 — page 202

  204 Imagery in Education The Educational Screen mind is trained for one of the grand divi- sions of endeavor rather than sent untrained into…

• Educational Screen 1948-1949 — page 61

  …Even when projected under illumination adequate for notetaking, screen images remain clear and brilliant. This is made possible by the LRM Balopti con's…

• Educational Screen 1946-1947 — page 697

  …Image size, with a given objective lense, is de- termined by the distance of the projector from the screen. Locate the projector back from…

• Educational Screen 1935 — page 144

  …In projection, the same three filters are placed on the lens and a color picture is obtained on the screen. A multi-color image…

• Educational Screen 1951,1952,1953 — page 1104

  …Only minor changes are needed to adapt transmitters and receivers to handle 3-D images — the cost to the station, about fifty dollars; to…

• Educational Screen 1928-1929 — page 206

  …A film slide projector with film slide of the story. 4. A motion picture projec- tor with film. It is of interest to note…

• Educational Screen 1922 — page 258

  …giant industry was stirring there was greater need for imagination and information and correct projection on the part of the director or producer than…

• Educational Screen 1936 — page 107

  …He says "\'isual instruction emi)hasizes concrete imagery in the learning process. 'Other instruction' stresses the im- portance of verbal imagery. "3 This distinction…

• Educational Screen 1954,1955,1956 — page 451

  …In these days of high-watt projectors and highly-reflective screens it is pos- sible to get a bright image on the screen in…

• Educational Screen 1951,1952,1953 — page 621

  …The screen image is flawlessly bril- liant. Kodak's finest optical system — Lumentzed Kodak Projection Ektar Lenses //l. 5 (in a choice of four…

• Educational Screen 1932 — page 82

  …of lenses determines the size of the image on the screen. Since many teachers who use projectors have not majored in physical science, it…

• Educational Screen 1946-1947 — page 169

  …Despite the exceptional brilliance of the screen images, slide temperature is kept within safe limits for all normal projection. The Bausch & Lomb 2" x…

• Educational Screen 1933 — page 236

  …The stimulus produced by an object or scene lying in the field of vision throws an image upon the reti- nae which in turn…

• Educational Screen 1924-1925 — page 353

  …of which through the use of a special lens, the image is projected from behind the screen and shines through the latter, instead of…

• Educational Screen 1948-1949 — page 10

  …for Distinct Screen Images Under General Illumination Highly efficient slide projection is provided by the Model B Balopticon*. Popular for general instruction or visual…

• Educational Screen 1954,1955,1956 — page 631

  …They thought the power of the image was related only to its brilliance. Thus, the effort of screen-makers and projector- makers to get…

• Educational Screen 1936 — page 159

  …In operating the projector, you place the gloss slide right side up on the slide track. The image on the screen is shown to…

• Educational Screen 1946-1947 — page 891

  …Professional "image quality" Bausch & Lomh 2x2" Slide Projector **'T^HEATRE quality" projection is built X into the Bausch & Lomb 2x2" Slide Projector, by the…

• Educational Screen 1924-1925 — page 712

  …For the same reason — the exceptional brilliancy of the image — it is possible to get very satisfactory results from a somewhat smaller image than…

• Educational Screen 1950 — page 180

  …and detail to image size, they run the risk of being disappointed with th beaded type of screen When they project a Kodachrome slide…

• Educational Screen 1948-1949 — page 429

  …the direct-view type and the projection models. The first mentioned is designed to reproduce the viewed image <in the face of the picture…

• Educational Screen 1926-1927 — page 459

  OPTICS OF THE PROJECTOR 455 Figure 5 Ifcause the source of light, F, is not a point <pex) but a surface of considerable area…

• Educational Screen 1957-1958 — page 575

  …Filmstripand Slide Projector— shows single and double frame strips and 2x2 slides. Unusually bright image. 724G1. Brilliant Multipurpose Projector — same versatility as 724G, with…

• Educational Screen 1944-45 — page 524

  …He may derive those images from real objects, or he may derive them from other images pre- sented to him, such as illustrations in…

• Educational Screen 1924-1925 — page 894

  …Ingeniously he con- trived that the right image should have a maximum of luminosity when the left image should have a minimum and vice…

• Educational Screen 1948-1949 — page 430

  finally projected on a screen. The usual image sizes are Uyi" x 18", 15" x 20" and 18" x 24". Special theatre sets are…

• Educational Screen 1957-1958 — page 28

  …play can be projected in the locker room to correct techniques or to analyze strat- egy of the opposition. (2) Images recorded of school…

• Educational Screen 1940 — page 98

  …a combined slide and opaque projector with balanced illumination to avoid eye- strain. No great change in image brightness occurs when switching from one…

• Educational Screen 1940 — page 93

  …a combined slide and opaque projector with balanced illumination to avoid eye- strain. No great change in image brightness occurs when switching from one…

• Educational Screen 1941 — page 156

  …Experiments which bear promise of providing prints are along the lines of re-photographing the projected image on lenticulated film. The Eastman Kodachrome process…

• Educational Screen 1957-1958 — page 1161

  …398 — The newest Specialist model; the finest projection performance at lowest cost quality allows. Magnificent new pan-harmonic high fidelity sound. EXCLUSIVE SPECIALIST FEATURES…

• Educational Screen 1932 — page 228

  …The new Udimo Projector permits the use of all the interchangeable Leica objectives and also the 80mm. and 120mm. special projection lenses. The projector…

• Educational Screen 1951,1952,1953 — page 580

  …Can the projector be used in a room that cannot be darkened? The answer is definitely yes, provided a small enoufi Image is projected…

• Educational Screen 1957-1958 — page 130

  …If a school could not exhibit optical images of a film or book then the film could not be projected and the book could…

• Educational Screen 1954,1955,1956 — page 957

  Bell & Howell's new Fihnusound 302, today's most advanced 16vim viuguetw recording projector jor cla ssroom use. How you can add sound to…

• Educational Screen 1932 — page 83

  …Distance from glass slide to lens, in projector : (Do) inches. Distance from lens to screen, when image is sharp : (Di) inches. To find the…

• Educational Screen 1940 — page 334

  …New lighting system produces increased image brilliance. Easier to operate too, because of the convenient object holder. Which Still Projection Material Do You Use…

• Educational Screen 1940 — page 271

  …Balopticons, the new B&L 2"x2" Slide Projector pro- jects crisp, brilliant, sharply defined images of black and white or color transparencies. Here…

• Educational Screen 1957-1958 — page 797

  …Exchisire new "zoom" lens* (f/1.6) adjusts picture size to fit screen without moving tlie projector. One lens serves for different size rooms…

• Educational Screen 1923 — page 294

  …better screen image will do so, to the end that we become co-operatively helpful. Projection Includes Many Things The term projection, as applied…

• Educational Screen 1932 — page 14

  …slide projectors, to illustrate laws of refraction of light. Measurements made of distance from lens to screen, and of widths of corresponding images on…

• Educational Screen 1941 — page 35

  …This type camera is like the single-lens reflex in that, by looking into the hood of the camera, the photographer sees the image…

• Educational Screen 1926-1927 — page 597

  …The •inema offers ready-made visual image. It leaves comparatively little to the imagination. \Vliereas, the business of a book is to conjure n…