Electrical Hand Magnet (by Luer of Paris)
Electrical Hand Magnet from early 1900s. It was made by Luer of Paris, a famous instruement maker in the late 1800s and 1900s. They are memorialized by the Luer-Loc tip found at the end of some syringes.
In the early days of intraocular surgery, a particularly troublesome challenge was to get ferrous foreign bodies out of the interior of the eye without damaging the eye more than what had all ready occurred. The powerful ophthalmic electromagnet was invented in the 1870s.
This model looks like the one in the catalog picture described as “Keystone” model.