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379 results for "ACI" in Creator.

Found in catalogs (50+)

• Educational Screen 1924-1925 — page 246

  …Sulfuric acid 4 cc. B. Water 300 cc. Sodium fluoride 4 grams. Have each in a large tray. (Better use rub- ber gloves.) Place…

• Educational Screen 1933 — page 75

  …White lead is made by corroding metallic lead in clay pots, the corrod- ing agents being acetic acid and carbon dioxide. The acetic acid…

• Educational Screen 1924-1925 — page 123

  …He explains the source of the tannic acid and scenes show the gathering and ship- ping of the oak and hemlock bark to the…

• Educational Screen 1950 — page 348

  …Y- piserset Sales offees acianta, Chicas? Dallas. Kansas City. Ne York pittsbure, San Francixo on ARC proit Cc TION equipme wT FOR BES

• Educational Screen 1957-1958 — page 304

  …Crude acid and water are added and Dr. Fieser shows the useful technique of swirling. Then he transfers portions to four test tubes and…

• Educational Screen 1937 — page 301

  …The Photopure Acid Fixer is a new rapid acting acid fixing hypo power for all papers, film and plates. It contains hardening as well…

• Educational Screen 1950 — page 299

  …his are i , z iL CA B q UNION CARBIDE AND CARB! nN 40 East j2nd Street New Y t pistreet gales OES Acianta…

• Educational Screen 1924-1925 — page 72

  …The jar is half filled with a solution made by adding one quart of commercial nitric acid to four quarts of water. While this…

• Educational Screen 1924-1925 — page 474

  …In the latter case, sewage may become very strongly acidic, and ordinary sewer pipes are not always adequate. The superiority of glazed pipe is…

• Educational Screen 1923 — page 75

  …That the DeVry is standing the acid test of service, from the tundra wastes of Baffin Land to the scorching plains of the Sahara…

• Educational Screen 1924-1925 — page 73

  …On being placed in a tray the plates are flushed with plenty of water to remove as much acid as pos- sible. Procure a…

• Educational Screen 1923 — page 122

  …The Soil Specialist shows the boys how to test soil for acidity. Clay submits a sample of his soil. It is found decidedly acid…

• Educational Screen 1926-1927 — page 69

  …In an effort to solve this problem and to encourage better educational f aciUties in rural sections, the International Harvester Company has prepared a…

• Educational Screen 1941 — page 295

  …Adding sulphuric acid to soda produces carbon dioxide. Center: Common fire extinguishers contain soda and acid. Bottom: To operate turn upside down.

• Educational Screen 1954,1955,1956 — page 467

  …Elgin (111.) High S(;ho<)l student, cautiously lixes acid and base at arm's distance, holds re-agent bottle glass stopper correctly. "ormula…

• Educational Screen 1922 — page 326

  …He tests the soil with litmus paper and acid, and the results show that the soil is both acid and sour. He ad- vises…

• Educational Screen 1954,1955,1956 — page 146

  …Given all this, what actually happens wiien such filmstrips are exposed to the acid test, namely, use in actual classroom situations? Right here we…

• Educational Screen 1957-1958 — page 305

  …In the countercurrent distribution demonstration, two natural pigments are used which are acids differing from each other only in that one is the hy…

• Educational Screen 1928-1929 — page 404

  …The surface is etched with the proper reagent—dilute nitric acid in the case of. steels, and ammonium persulphate in the case of the…

• Educational Screen 1926-1927 — page 115

  …In the East Indies the latex is thickened by an acid, and is then rolled into sheets, III. The United States imports yearly nearly…

• Educational Screen 1937 — page 178

  …Keystone Etched Class thin and acid etched Keystone Cover Class thin and free from flaws Keystone Lantern-Slide Crayons translucent and colorful Keystone Lantern…

• Educational Screen 1957-1958 — page 1234

  …SH A For more information circle 230 on coupon NEW PUBLICATIONS Acid Resistant Ware. Catalog of poly- ethylene and nylon products not af- fected…

• Educational Screen 1941 — page 185

  …The problem is to work out a process to produce highly concentrated phosphoric acid from electric furnace phosphorous. After months of research, the research…

• Educational Screen 1933 — page 132

  …Second, the structural formula of Ether is shown in animation, the breaking down of alcohol and sulphuric acid molecules into crude ether which is…

• Mogulls Bros Educational Film Catalog 1936 — page 86

  …When the hundreds of lines which com- pose an etching are all exposed, the artist floods his plate with acid to etch them into…

• Educational Screen 1926-1927 — page 1024

  …Singed (Blanche Sweet) Fox Trash Worthless No Old melodrama-acid-throwing by heroine, lover shoots her, and all comes out well. Smile, Brother, Smile…

• Educational Screen 1940 — page 154

  …Bacteria in milk converts the sugar into ( 1 ) sour- ing (2) tubercle (3) lactic acid (4) hydrochloric acid. 8. The science of improving the…

• Educational Screen 1950 — page 431

  …Mounted on acid resisting white enameled panel—40” x 13” A sturdy, complete unit RACKS AND CABINETS Neumade’s de luxe storage equipment fered…

• Educational Screen 1937 — page 57

  …the correct place for a stopper or cork while it is out of the bottle, and the fact that! acid should always be poured…

• Educational Screen 1950 — page 433

  …Mounted on acid resisting white enameled panel—40” x 13”’ A sturdy, complete unit RACKS AND CABINETS Neumade’s de luxe storage equipment »ffered…

• Educational Screen 1924-1925 — page 872

  …physical changes wrought, in Battery of nitrating machines for giving cotton "acid" treatment from "A Trip Through Filmland." the miracle-performing machinery, in the…

• Educational Screen 1954,1955,1956 — page 959

  I All EXCITING HEW ACiVEMEIII III OPIUIOE mOJECTIIIII Doubling the illumination • Doubling its uses in Education • The VU-LYTE 11 delivers twice the illumination…

• Educational Screen 1928-1929 — page 505

  …The film shows the marvels of crystalization as they are apparent in nature and deals particularly with the crystals forming in fruit acids, and…

• Educational Screen 1951,1952,1953 — page 815

  …Many aciduio threaded the machine in less than 7 seconds. Some threaded it in less than 20 seconds. Most threaded it in less than…

• Educational Screen 1951,1952,1953 — page 331

  …Louis 18, Mo ■ober, 1951 Acivertisers welcome inquiries. Just mention EDUCATIONAL SCREEN. 321

• Educational Screen 1950 — page 340

  …Ideal raring {Continued} Official Films, In (P) FILMS acinnati, Oh ~ged “a ~' N : 31 2 id 2nd St., Okl ahoma City 3, Okle OHt…

• Educational Screen 1926-1927 — page 940

  …The crushing of the ores, their c< centration on jigs and tables and the leachi of ores by the use of sulphuric acid solutic…

• Educational Screen 1950 — page 339

  …the shooting presented prob own color film, Miss Northside he all aciers and supervisors, college pro lems. Director Willard Van Dyke and hool production…

• Educational Screen 1937 — page 300

  …lighting unit called "Realite," a Film Chest Negative File and Photopure Acid F'ixer. Their new stream- lined "Realite" lighting unit which has no…

• Educational Screen 1922 — page 116

  …Others, wound with film, stfl submerged in long wooden vats frl which rose the acid odor of the develj ing fluid. Here, too, is…

• Educational Screen 1934 — page 256

  …Ion, Neutralization, Types of Reactions, Salts, Nitrogen, the Atmosphere, Air, Ammonia, Nitric Acid. VI. Carbon, Carborundum, Glass, Porcelain, Car- bon Dioxide, Dry Ice, Calcium…

• Educational Screen 1930-1931 — page 151

  …If the lesson is on silk, every child unwinds silk from a cocoon; if the lesson is on rubber, the pupils add acid to…

• Educational Screen 1948-1949 — page 787

  …SMrrInf JOAH w.-^ touts J""JVt WITH THE GtORHF AMERICAS "OST acirwc daw.' ^y - -II Ptcttnlt IkUi'i (I corns WVESIMU Of nousmc <^ lOOTJ…

• Educational Screen 1926-1927 — page 1082

  …Various grades are blended according to certain quali- ties, such as aroma, flavor, and acidity. After the roasting process, the finished drink is tested…

• Educational Screen 1954,1955,1956 — page 617

  …projector, performance is the "acid test"; Will it deliver vitally crisp pic- tures and realistically clear sound—hour af- ter hour, year after year…

• Educational Screen 1935 — page 52

  …Thirty gallons of synthetic lemonade made from citric acid and saccharine were distributed during the evening. The Physics Department displayed 53 e.xhibits, the…

• Educational Screen 1941 — page 219

  …Gorow Production of Audio-Visual Aids (2) acific Lutheran Colleijc, Parkland Visual Education (2) F. F. Gorow June 9-Julv 9; July 10-Aug…

• Educational Screen 1924-1925 — page 920

  …When the latex is gathered, it is here poured into a large vat and acetic acid is added to assist coagulation. Then the rub…

• Educational Screen 1950 — page 375

  …Mount ed on acid-resisting, white enameled panel 40” x 13 A sturdy, complete unit @ The Rescue of Lot, «© 4% fourteen short Testament films…

• Educational Screen 1924-1925 — page 294

  …Health's Foundation (2 reels) (Rothacker) — The story of leather completely and entertain- ingly told to include also the sources of tannic acid and…