[1913]. Another form of dead blow power hammer, but with a straight laminated plate spring, to which the hammer head is fixed.
[1914]. Another type of spring power hammer.
![[Larger plate.]](#3701448400155979539_plate110lg.png.id-1934597030964152625.wrap-0.html.html){kind=link}
[1915]. Revolving centrifugal rapid blow hammer.
[1916]. The old-fashioned tilt hammer, still in use in many places, especially where water-power is employed.
For stamps, &c., see [Nos. 250] & [271].
Besides the foregoing there is the gas hammer of Messrs. Tangye, the pneumatic hammer, and a variety of power hammers with variable stroke. See [No. 1606].