to technology, such a search must rest, at least in part,
upon the character and quality of the hand tools the society has made
and used, because they offer a continuity largely unknown to other
classes of material survivals.

FOOTNOTES:

[1] W.M. FLINDERS PETRIE, "History in Tools," _Annual Report Smithsonian
Institution_, 1918, pp. 563-572 [reprint].

[2] JOHANN AMOS COMENIUS, _Orbis Sensualium Pictus_, transl. Charles
Hoole (London, 1685), pp. 130, 143.

[3] JOSEPH MOXON, _Mechanick Exercises or the Doctrine of Handy-Works_,
3rd. ed. (London, 1703), pp. 63, 119.

[4] MARTIN, _Circle of the Mechanical Arts_ (1813), p. 123.

[5] PETER NICHOLSON, _The Mechanic's Companion_ (Philadelphia, 1832),
pp. 31, 89-90.

[6] _Catalog_, Book 87, Cutler and Co., Castle Hill Works, Sheffield [in
the collections of the Victoria and Albert Museum, London]; and
_Illustrated Supplement to the Catalogue of Bench Planes_, Arrowmammett
Works (Middletown, Conn., 1857) [in the Smithsonian Institution
Library].

[7] York County Records, Virginia Deeds, Orders, and Wills, no. 13
(1706-1710), p. 248; and the inventory of Amasa Thompson in LAWRENCE B.
ROMAINE, "A Yankee Carpenter and His Tools," _The Chronicle_ of the
Early American Industries Association (July 1953), vol. 6, no. 3, pp.
33-34.

[8] _Reports by the Juries: Exhibition of the Works of Industry of All
Nations, 1851_ (London, 1852), p. 485.

[9] U.S. patent specifications cited in this paragraph may be found at
the U.S. Patent Office, Washington, D.C.

[10] In 1865 George Parr in his application for an improved screwdriver
stated categorically that the scalloped blade served no purpose other
than decoration. See U.S. patent 45,854, dated January 10, 1865.

[11] Francis A. Walker, ed., _United States Centennial Commission,
International Exhibition, 1876, Reports and Awards, Group XV_
(Philadelphia, 1877), p. 5.

[12] Ibid., p. 6.

[13] Ibid., pp. 9-10.

[14] Ibid., pp. 11-12.

[15] Ibid., pp. 14, 44, 5.

[16] Ibid., p. 13.

[17] Restored patent 4,859X, August 24, 1827, National Archives,
Washington, D.C.

[18] U.S. pat. 16,889, U.S. Patent Office, Washington, D.C. The numbered
specifications that follow may be found in the same place.

[19] Walker, ed., _Reports and Awards_, group 15, p. 13.

[20] Ibid.

[21] _Tools_ (Boston, 1884), p. 54 [in the Smithsonian Institution
Library].

[22] _Tools and Supplies_ (June 1900), no. 85 [in the Smithsonian
Inst