โ Scribed by Pranke, E. J.
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
acid is one of the most impo,rtant of a!1 chemicals, not only because of the large quantities manufactured, but also because of the wide use of the acid in many different industrial works. The more important uses are as follows : Dilute acid-that is 60"B. (78 per cent. H2S04) acid, or weaker, is us
The apparatus employed consisted of a portable windlass containing 3,(xร~ feet of wire, three Itargrave kites having a total lifting surface of 8o square feet, and an instrument for recording temperature, pressure and wind velocity and humidity. This outfit was installed on the upper deck of a tug i