Part 7

One "line" seems to have been about 1/12 inch.

J. G. POGGENDORF, "Physisch-chemische Untersuchungen zur naeheren Kenntniss des Magnetismus der voltaischen Saeule," Isis von Oken (1821), vol. 8, pp. 687-710. Most of Poggendorf's numerical data is also in C. H. PFAFF, Der Elektromagnetismus (Hamburg, 1824), along with some of Pfaff's own work.

Reported in Annales de Chimie et de Physique (1820), vol. 15, pp. 222-223.

"On the Development of Electro-Magnetism by Heat," Transactions of the Cambridge Philosophical Society (1823), vol. 2, pp. 47-76.

"Account of the New Galvano-Magnetic Condenser invented by M. Poggendorf of Berlin," Edinburgh Philosophical Journal (July 1821), vol. 5, pp. 112-113.

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For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402--Price 20 cents

INDEX

Aldini, Giovanni, 124

Ampere, Andre Marie, 127, 129

Arago, Dominique Francois Jean, 129

Bennet, Abraham, 124

Berzelius, Joens Jakob, 133

Bettany, G. T., 136

Biot, Jean Baptiste, 135

Carlisle, Anthony, 124

Cavallo, Tiberio, 124

Cavendish, Henry, 123

Cummings, James, 125, 127, 133

Erman, Paul, 128, 129, 132, 133

Faraday, Michael, 125

Galvani, Luigi, 124

Gay-Lussac, Joseph Louis, 125

Gilbert, L. W., 127, 132

Meineke, ----, 128

Nicholson, William, 124

Oersted, Hans Christian, 125, 132