This section is from the book "Spons' Mechanics' Own Book: A Manual For Handicraftsmen And Amateurs", by Edward Spon. Also available from Amazon: Spons' Mechanics' Own Book.
This hangs in the hive in the same manner as the frames d, Fig. 616. A piece of 1/2-in. board is cut 14i in. long, and 8 1/2 in. wide; a top bar 15 1/2 in. long nailed to the top edge, and 2 1-in. strips across the ends to keep it from warping.