Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · 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 boiler plate 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.