[Illustration: Figure 1.--AN ORIGINAL SCHOLFIELD WOOL-CARDING MACHINE,
built by Arthur Scholfield or under his immediate direction between 1803
and 1814, as exhibited in the hall of textiles of the U.S. National
Museum (_cat. no._ T11100). The exhibits in this hall are part of those
being prepared for the enlarged hall of textiles in the new Museum of
History and Technology now under construction. (_Smithsonian photo_
45396.)]