Word: one-tenth
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...cure an ivy-poisoned soldier, one-tenth of a cc. of the extract (diluted with one cc. of salt solution) is injected intramuscularly. Burning sensations vanish within two to 24 hours, all blistering within two to five days, and no hospitalization is needed. The average untreated case suffers from one to three weeks, often in a hospital. Sergeant Shapiro's extract cannot prevent ivy poisoning; it desensitizes skin only after an attack. Applied externally, it produces a fine case of poison ivy itself...
Most vanadium used in the U.S. has been imported from Peru and Southwest Africa. Now vanadium can be extracted from Idaho phosphate deposits. Hitherto this has been impracticable because Idaho's 6,000,000,000 tons of phosphate rock contain only 500,000 tons of vanadium, a mere one-tenth to one-fourth of one per cent vanadium. This concentration would be too low for practicable extraction, were it not for the fact that Anaconda Copper Co. is already processing over 100,000 tons of phosphates a year as fertilizer. From this tonnage some 200 to 250 tons...
...office composing machine, which operates like a typewriter but can take a sheet 20 feet wide, has been developed by the Ralph C. Coxhead Corp. to enable a typist to letter engineering drawings and tracings. By reducing to one-tenth the time required for lettering, it cuts down drafting-room time more than one half, solves a bottleneck in war production...
...sharp. Since no complicated chemical treatment is involved, the film can be exposed, developed, finished in a continuous operation at 80 feet per minute. Since the image is inside the strip, not on the surface, scratches and dust are no problem. The cost of the dyed film is one-tenth that of silver, and because of its sharpness can carry three times as much sound track per inch...
...Cologne had felt in its devastating 1,130-plane raid. The Air Ministry announced that a greater weight of bombs had been dropped on a more concentrated target. Delighted Britons could consider a few comparative statistics. Cologne was hit by 3,000 tons of bombs. Coventry was devastated by one-tenth that total. And the greatest weight of explosive dropped on London in a 24-hour period during the great Blitz was less than 500 tons...