[14] Worcester Spy, July 10, 1822.

[15] A natural delay. Although the cylinders and the card clothing wore out and had to be replaced, the heavy wooden frames of the early machines remained long in serviceable condition.

[16] Once again in use, it is now powered by electricity. A pound of slivers from it (about 260) may be purchased for $3.00.

[17] The author is indebted to William N. Watkins, U.S. National Museum Curator of Agriculture and Wood Products, Smithsonian Institution, for the identification of the woods in the specimen.

[18] The author is indebted to Mr. Don Berkebile of the Smithsonian's U.S. National Museum staff for his examination of the metal teeth on the comb plate of this machine.