""The Inductorium or Induction Coil"" is a book written by Henry Minchin Noad in 1866. It provides a detailed explanation of the electrical principles behind the construction of an induction coil. The book is aimed at a popular audience, making it accessible to anyone interested in learning about electricity and its applications. Noad covers topics such as electromagnetic induction, the construction of coils, and the use of induction coils in various...