The Nation's Schools, Količina 39Michael Vincent O'Shea McGraw Hill, 1947 |
Iz vsebine knjige
Zadetki 1–3 od 23
Stran 13
... projection . Curved film guideways guide the strip film in exact position for crisp , brilliant screen images . Automatic snap - action , self - centering slide carrier assures perfect focus every time ... with one - hand operation ...
... projection . Curved film guideways guide the strip film in exact position for crisp , brilliant screen images . Automatic snap - action , self - centering slide carrier assures perfect focus every time ... with one - hand operation ...
Stran 55
... projected is given a rapid intermittent motion as it passes the light in the machine and conse- quently this motion ... projection is best for your system , special atten- tion must be given to portability of projector ; speed of setup ...
... projected is given a rapid intermittent motion as it passes the light in the machine and conse- quently this motion ... projection is best for your system , special atten- tion must be given to portability of projector ; speed of setup ...
Stran 100
... projection surfaces . A coated 2 inch F : 1.6 projection lens is included as stand- ard equipment but other lenses up to 4 inches are instantly replaceable . The topmounted reel arms on the new model accommodate 2000 foot reels and the ...
... projection surfaces . A coated 2 inch F : 1.6 projection lens is included as stand- ard equipment but other lenses up to 4 inches are instantly replaceable . The topmounted reel arms on the new model accommodate 2000 foot reels and the ...
Vsebina
Is Our Business | |
Expediency versus Principle Arthur B Moehlman | 18 |
Reporting on the Whole Child Charles E Hood | 25 |
21 preostalih delov ni prikazanih
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
80th Congress activities American Ampro Asphalt Tile Association audio-visual bill board of education budget building cafeteria cation cent Chicago child Church City classroom color committee Company cost curriculum Department educa elementary school employes enrollment equipment experience film floor funds G.I. bill grade gram group action high school improvement increase institutions instruction junior light lunch maintenance materials McCahey meet ment Milwaukee Public Schools NATION'S SCHOOLS National needs operation organization parents parochial Pittsburgh Public Schools present principal problems projector public education Public Schools pupils radio record salary schedule school administrators school board school district school system secondary school selected separation of Church Sloan Valve Company social sound Sound-on-Film SoundScriber standards Supt teachers teaching tion tional United University veterans visual vocational Willard E York