?a1549 (1998) I. 106/1 Pickehamers of Irone..iiijor.
1850 2 Nov. 53/2 The remedy is..to employ men at an enormous expense to roughen the present pavement by pick hammers.
1885 W. Dörpfeld in H. Schliemann (1976) vi. 336 Almost all the stones, before being used, had been wrought on one or several faces, with a pick-hammer.
1995 (Nexis) Apr. 115 This excavator..is not only equipped with a hydraulic backhoe shovel but also a large pickhammer that allows excavating in suitable rock conditions.