Hoffmann (Professor), 1839-1919., Plate, Adrian, inscriber., Harry Houdini Collection (Library of Congress) · New York : E.P. Dutton & Co. ; London : George Routledge & Sons, 1904. · leaf 58
e centre. As the outer band is not thus flattened, there remains between them a space, plano-convex in shape, four inches in length by half an inch at its greatest breadth. By pushing the knob h towards the centre, the outer band is forced to assume a more decided convexity, at the same time… … the lower edges of both bands, across a space of nine inches in width, is a shallow bag of black net, or silk, 2, forming a receptacle for objects dropped within the vest. When the appliance has served its immediate purpose, a finger inserted under the vest at the left side draws back the knob h,…