Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 348
periods it is to move uniformlywith the velocity attained; during the next four periods it is tocome to rest with a constant retardation. The return motion con-sists of eight time periods; during the first four periods it is to beconstantly accelerated and during the remaining four periods itis to… … Fig. 177.Sewing Machine Bobbin Winder174. Assignment.— Number of threads to be laid per inch of spool length (30-100)Length of spool (l|-2^) in. 314 MACHINE DESIGN Kinematic Sheet No. 5
Machine design
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