en neces- of the beam will project more and the other end less struct four trusses running from the top of each column sary, extending over a period of more than eighteen from the point of suspension. The weight is a constant, months. After all this labor it is gratifying to find upright to the… … THOMSON'S WEIGHING SCALE. not, remove the wax with fine sandpaper and try again, able efficacy, and at the same time are absolutely harm- using more or less than before, as may be necessary, less and easy of application. and continue your experimenting until you secure the These applications of…
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