[1]F. Cajori, History of the Logarithmic Slide Rule and Allied Instruments,
New York, 1909, pp. 7-14, also Addenda i-vi.
[2]F. Cajori, “On the Invention of the Slide Rule,” in Colorado College
Publication, Engineering Series Vol. 1, 1910. An abstract of this is
given in Nature (London), Vol. 82, 1909, p. 267.
[3]F. Cajori, History etc., p. 14.
[4]Art. “Slide Rule” in the Penny Cyclopaedia and in the English
Cyclopaedia [Arts and Sciences].
[5]Anthony Wood, Athenae oxonienses (Ed. P. Bliss), London, Vol. III, 1817,
p. 423.
[6]The full title of the book which Wingate published on this subject in
Paris is as follows:
L’Vsage | de la | Reigle de | Proportion | en l’Arithmetique & |
Geometrie. | Par Edmond Vvingate, | Gentil-homme Anglois. |
Εἂν ἧς φιλεµαθὴς, ἕση ἥση πολυµαθὴς.