“ It has an office in Massachusetts where it employs several salesmen for the purpose of inducing local tradesmen to carry and deal in its flour. These salesmen solicit and take orders from retail dealers and turn the same over to the nearest wholesale dealer, who fills the order and is paid by the retailer. ”

“ The storage and care of automobiles and the performance of necessary service for their repair, maintenance and operation is a widespread business in which large amounts of capital are invested and considerable numbers of persons are engaged. ”

“ This West Virginia corporation conducts an automobile factory in Connecticut and sells its automobiles in interstate commerce. It does an extensive local business in Massachusetts in repairing cars of its own make after they are sold and in use, and also in selling secondhand cars taken in partial exchange for new ones. ”

“ In that opinion it was said: 'It must always be borne in mind that property put into railroad transportation is put there permanently. It cannot be withdrawn at the pleasure of the investors. * * * The railroad must stay, and, as a permanent investment, its value to its owners may not be destroyed. ”

“ This is a Connecticut corporation whose general business is manufacturing and selling silk fabrics. It maintains in Boston a selling office with one office salesman and four other salesmen who travel through New England. ”