Search

4 results for "Proto Tool Co" in Creator.

Found in catalogs (11)

• Educational Screen 1939 — page 12

  …Merely dip a small glass rod into any of the solutions, gently touch the drop of water containing the protozoa, and watch the re…

• Educational Screen 1957-1958 — page 510

  …For more information circle 163 on counon Protozoa mp EBF llmin sd col $100 b&w $50. Vividly portrays the variety and life functions…

• Educational Screen 1934 — page 138

  …Expensive and complicated apparatus has no place in elementary science- work. A few tools, JGrace Fisher Ramsey, Project Making in Elementary Science. Department of…

• Educational Screen 1941 — page 63

  …rapid movements such as the beating of cilia, the contraction of the muscle fibers, the loco- motion of protozoans, may be slowed down to…

• Educational Screen 1951,1952,1953 — page 512

  …television as a teaching tool is being tested in a New York City high school. The tests are being conducted with a television microscope…

• Mogulls Bros Educational Film Catalog 1936 — page 115

  …Running class numbers are carried at the top outside corner of each page. A B C of forestry 634.9 About bananas 634.7…

• Educational Screen 1951,1952,1953 — page 1197

  …Hitrogen Cycle (14 min.) — explains route followed by nitrogen in its cir- culation between the atmosphere and compounds making np protoplasm of living organisms…

• Educational Screen 1943 — page 188

  …Nazi generals, includ- ing VonPaulus, the commander of the defeated army! This film can be obtained from protographic and visual aids dealers in five…

• Educational Screen 1957-1958 — page 625

  …Modern teaching methods, like modern selling methods, coll for reliable working tools and SELECTROSLIDE gives trouble-free operation; brightest picture on the screen, and…

• Educational Screen 1957-1958 — page 635

  …480 Cooper, Theodore B., How About Radio Apr. 191 Corwell, Marion E., Living American History In Class June 284 Crewson, Walter, Associate Commis- sioner…

• Educational Screen 1954,1955,1956 — page 867

  …446 Portroit of Holland 414 Postnotol Core 446 Powerful Horseshoe 443 Preface to Physics 452 Prenotol Core 446 President 420 President's Lady 427…