In 1849, the Philadelphia daguerreotypists William and Frederick
Langenheim introduced the lantern slide: a transparent image on
glass that could be projected, in magnified form, onto a surface
using a "magic lantern," or sciopticon. This new technology
expanded the uses of photography, allowing photographic images
to be viewed by a large audience. With lantern slides, Museum
curators and educators could illustrate their lectures, letting
audience members see detailed studies of objects and sites from
around the world. The Brooklyn Museum's lantern slide collection
was started by the Museum's curator of fine arts, William Henry
Goodyear, in the late nineteenth century. With the assistance of
the photographers Joseph Hawkes and John McKecknie, Goodyear
reproduced images of archaeological and architectural sites in
Europe as well as images of the Paris Exposition, which Hawkes
often hand-colored for more realistic effect. The lantern slide
collection also developed through the efforts of the curator of
ethnolog