JF Ptak Science Books Quick Post
This is the beginning of a set of patent drawings images of not-so-terribly-antiquarian approaches to neurosurgery. The materials include the nuts and bolts of surgery–literally–as well as head clamps and boring devices. This will concentrate on the more modern era (1880-1925) so that some of the equipment–as archaic as it may seem–was used within living memory.
The boring-end of a trepanning device:
This is a detail from the full-page patent drawing: