Engineering topics
Publications and source records attributed to Williams, B. B..
Dissolved freon gas is removed from hydraulic fluid by raising temperature to 150 F and bubbling dry nitrogen gas through it, even while fluid circulates through hydraulic system. Procedure reduces parts corrosion, sludge formation, and contamination.
Spring clip retainer may prove more convenient than clamps or wingnut and stud combination when holding two small parts together in test fixtures and other applications where parts must be frequently moved or changed.
A listing is provided of organizations taking solar radiation data, the 166 stations where observations are made, the type of equipment used, the form of the recorded data, and the period of operation of each station. Included is a listing of the data from 150 solar radiation stations collected over the past 25 years and stored by the National Climatic Center.
Potassium hydroxide in ethyl alcohol solution can strip away coatings, adhesives, and encapsulants without damaging substrates.
Test assembly measures the rate of permeation of a solid by a gas. Test gas is forced, under pressure, into a cylindrical plug containing the solid to be tested. Gas chromatograph detects the presence of the test gas.