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This paper describes a combined magnet and dilatometer for simultaneously tracing the changes in magnetization and dilation of alloys undergoing phase transformations. Measurements may be made while the specimen is being heated to, held at, or cooled from the reaction temperature. The apparatus...
Four different methods of microscope observation of the phosphorescence of minute structures in cells or cell products, or microcrystals, both organic and inorganic, are described. The material must be dry or nearly so and the illumination short ultraviolet such as occurs in condenser discharges...
An apparatus is described which provides arcing facilities for twelve samples without the necessity of removing the electrodes. The lower electrodes rotate during arcing. All controls for selecting the electrode pairs and for vertical and horizontal adjustment are insulated and are located...
An a.c.‐operated instantaneous reading x‐ray dosimeter for use with both hard and soft radiation is described. The instrument requires calibration against a standard.
Three general types of WPB regulations are presented: (1) Those which deal with priorities and preference ratings (P‐43, P‐100, P‐90, and forms PD‐1A and PD‐25A); (2) Limitation Order L‐144; and (3) Priorities Regulation No. 10. P‐43 assigns a blanket preference rating of A‐2 to...
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