PLATE II.
Fig. 1. A Terebra, or Trepan, turned round by a handle in its middle. (Ibid. p. 122.) It resembles the centre-bit of modern artisans.
- 1. A hole into which the iron head is fixed.
- 2. Upright part, three inches long.
- 3. Cross part, one inch long.
- 4. The part which is grasped in turning the instrument.
- 5. Cross part, an inch long.
- 6. Upright part.
- 7. A ball fixed to the top.
- A. B. C. Different forms of the iron head fixed in the hole 1.
Fig. 2. Scalper rectus, or straight Raspatory. (Ibid. p. 123.)
3. Scalper in medio recurvatus, or bent Raspatory. (Ibid. p. 123.)
4, 5, 6. Ancient Modioli, as represented by Pott (Injuries of the Head, p. 153).
PLATE III.
Figs. 1 and 2. A Scalper, or Raspatory, with which the moderns scrape the bone. (Chirurgia è Græco, &c., p. 125.)
3. Scalper cavus or scooped Raspatory. (Ibid. p. 126.)