Cartesian diver

Cartesian diver is a measuring instrument or toy.

Also recorded as Cartesian devil; bottle imp.

Overview

The record gives 1648 as its date of establishment or first appearance. Catalogue entries state maker, model, completeness of accessories and condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

classic science experiment demonstrating the Archimedes' principle and the ideal gas law

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Cartesian diver”, English Wikipedia, consulted as further reading
Consult the source
reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q947377: Cartesian diver
Consult the source