Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 123
Fig. 45 Sometimes a combination of channel bar and diagonalcrow foot braces is used, as shown by Fig. 45. 110 steam Engineering A good form of diagonal crow foot stay is.obtained byusing double crow feet^ made of pieces of boilerplate bentas shown by Fig. 46 and riveted to the plate by four rivets. … Fig. 46 A hole is drilled through the body of the crow foot, anda bolt passing through this secures the forked end of thestay. xj=r-