The best remembered watermen were Jack Hall, 'Paddle' brads, Piper, Jack Haverley, Tom Cannon and Fish.
"Boating"
W. B. Woodgate Commentator: Harvey Mason
Upon the surface of the block the caliper leg is held by brads or nails driven around its edge, as shown, or it is obvious screws may be used.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
If the liners require to be very thin and are difficult to hold in the vice without springing, take a piece of soft wood faced true, and grip it in the vice, and fasten the liner on it by means of brads driven in around the edge of the liner.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose