Page 20 - Catálogo #78 2020 Bostn Virtual Book Fair

Librería José Porrúa Turanzas 2020 Boston Virtual Book Fair

11. LORIMER, John. A concise essay 12. MALTHUS, Thomas Robert. Principes
on Magnetism; with an account of the d’Economie Politique considerés sous le
declination and inclination of the Mag- Raport de leur aplication pratique. Paris,
netic Needle. London, W. Faden, 1795. Guillaumin & Cie., 1846. 4to (233 x 145)
Folio. xv-34 pp., 6 large folding pates. mm. xxxvi-550 pp. Contemporary half
Editor’s bindin. 1,000 € / US$ $1,150 calf. 650 € / US$ $750

First edition, with all its marins, of this Second French edition of this work on po-
interesting bok regarding terrestrial litical economy, first published in English
magnetism. John Lorimer describes in 1820. Although Malthus is best known
his “Universal Magnetic needle”, the for his essays on Population, there is no
prototype of which was constructed in doubt of the importance of this book to
1864 by Jeremiah Sisson. The instru- economists. It was because of this work
ment measured both the horizontal di- that J.M. Keynes reinstalled Malthus as
rection and dip of the earth’s magnetic an important figure in modern economic
field. The needle never was popular thought, at a time when the self-induced
probably because it was too elaborate. redundancy of the Population Essay was
Extraordinary uncut copy in the origi- about to reduce Malthus to the category
nal binding. of a historical monument.

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