As I’ve written about in other posts about razors and posture devices, in the second half of the eighteenth century, the introduction of cast steel transformed products for the body. Steel had many physical properties that rendered it very useful across a range of instruments. Unlike its predecessor, blister or shear steel, which was of uneven quality and could be brittle, cast steel was durable and capable of carrying a very sharp edge. It could also be polished to a mirror-like shine, making it very attractive to wear as ‘brilliant’s – imitation diamonds.
Many of the instruments I’ve written about, from razors to spectacles, were things that people bought to use upon their own bodies. But there was another group of instruments that was transformed, but one which people generally did their best to avoid – surgical instruments.
The surgeon’s knife held something of an ambiguous position within medicine. For…
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