An induction coil, typically crafted from copper and shaped into a precise configuration, creates a magnetic field when an alternating current flows through it. This magnetic field interacts with the ...
On t.p. verso: Richard Clay and Sons, Limited, London and Dungay. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001 ...