a magneto-electric machine, English, c.1890, by Maw, Son and Thompson, in steel, brass and nickel-plated brass, ornate cast and gilded brass drive wheel, mahogany case with instructions pasted inside lid, brass maker's plaque below key escutcheon, 26cm across; with a medical induction coil , c.1900, by Schall & Son, London in mahogany case (2)