Scientific recreations in philosophy and mathematics. Including arithmetic, acoustics, electricity, magnetism, optics, pneumatics; together with amusing secrets in various branches of science: the whole calculated, to form an agreeable and improving exercise for the mind / [William Enfield].

Licence: Public Domain Mark

Credit: Scientific recreations in philosophy and mathematics. Including arithmetic, acoustics, electricity, magnetism, optics, pneumatics; together with amusing secrets in various branches of science: the whole calculated, to form an agreeable and improving exercise for the mind / [William Enfield]. Source: Wellcome Collection.