Magic, pretended miracles, and remarkable natural phenomena (1855)
Philadelphia : American Sunday-school Union · leaf 21
16 MAGIC. but when a few sounds are uttered and theprofessor touches a secret spring behind, whichdisengages the inner box, he draws it out withthe outer one ; and presents the handkerchiefs … to the audience. In the diagram a, the box isshown as empty. At b, we have a representa-tion of the box containing the handkerchiefs. ILLUSIONS EXPIAINED. 17 It is only necessary to add that the box is verynicely made ; the part within the other drawnout to the end, defies detection. The…
Magic
Internet Archive · Princeton University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-110-128.webp)
