Periodicals; Chemical industry; Explosives; Dynamite; Textile industry; Paint industry; Farming;
Table of Contents: Trend of prices; Calling the land to task; Making DuPont standard dyes; Speaking of umbrellas; Combination ambulance and omnibus; Midway's midnight sun totally eclipsed by dynamite; Wrecking shipwrecks with dynamite.
Lamp end of the absorption system of the ultra violet photometer shows a mercury lamp with glass envelope removed. Radiation from the lamp is rendered roughly parallel by condensing lenses of quartz and the light is reflected down the absorption...
Typed on back: "Remains of a piano which was totally destroyed by fire on the stage of Longwood Theatre, the morning of Friday, June 15, 1951. The piano, a very fine instrument borrowed from Mr. W.J.P. Calder, was to have been used for the Spring...
Typed on back: "Remains of a piano which was totally destroyed by fire on the stage of Longwood Theatre, the morning of Friday, June 15, 1951. The piano, a very fine instrument borrowed from Mr. W.J.P. Calder, was to have been used for the Spring...
