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These records cover the period 1900-1905, with some undated items that are possibly from the 1890s. Included are notebooks, field journals, reports, maps, and other documents relating to mining surveys and drilling operations in Ontario, as well as Connecticut, Pennsylvania, and other locations. The selected items consist of three standard- size notebooks containing notes by Edison, John V. Miller, and others.

Records not selected

Nickel Mines, Proprietary Interests, and Ore Samples (ca. 1893-1905)

These documents consist of undated reports, probably from the period 1893-1905. The reports pertain to nickel-bearing properties, mining claims, and ore analyses. They primarily concern properties in Litchfield, Connecticut; Riddles, Oregon; and the Sudbury district of Ontario. Some of the documents relate to holdings of the International Nickel Mining Co., the Nickel Copper Co. of Ontario, and the Victory Nickel Mining Co. of Oregon. One item concerns the mineralogy of New Caledonia deposits. Also included is an undated report on samples numbered 193- 287.

Lehrbuch der Markscheidekunde and Translation Notes (1901-1903)

These documents cover the years 1901 and 1903. Included is a textbook on mine surveying, written by P. Ulrich of Freiberg and published in 1901. Robert Rafn, an Edison laboratory employee and electrical engineer, translated portions of the text from German into English in 1903. The translated notes deal with magnetic surveying and the Thalén-Tiberg magnetometer (or "Swedish magnetometer"). The archival holdings consist of photocopies.

Magnetic Prospecting and Other Surveys (1901-1905)

These documents consist of field journals and notes relating to the search for nickel and cobalt. Some of the items are by John V. Miller. There are also notes by Claude H. Opdyke, Harry Stokes, and others. Much of the material concerns work in the Sudbury district of Ontario (1901-1904) and in the Parry Sound and Nipissing districts of Ontario (1905). There are also surveys of Franklin Furnace, New Jersey (1901); Litchfield, Connecticut (1901-1902); Lancaster County, Pennsylvania (1902); and Hurdtown, New Jersey (1903).

Ore Sample Receipt Books (1902-1905)

These books were used by John V. Miller. They contain a standard form for the receipt of ore samples, such as iron, nickel, and cobalt. The ores originated in the Sudbury and Parry Sound districts in Ontario and in Connecticut, New Hampshire, and Pennsylvania.

Drill Reports and Drilling Notes (1903-1904)

Most of these documents are reports concerning drilling activities in the Sudbury district of Ontario. Included are notes by John V. Miller pertaining to the costs of labor, materials, board, fuel, and sundries.

Notebook, N-03-11-19

This notebook covers the period November 1903-January 1904. It was used by R. Howard Embree as a daily journal of drilling operations at the Gertrude Mine in the Sudbury district of Ontario.

Notebook, N-03-11- 26

This notebook covers the period November 1903-January 1904. It was used by R. Howard Embree and contains tabular information about drilling operations at the Graham Mine in the Sudbury district of Ontario.

Notebook, N-04-04-23

This notebook covers the period June 1903-April 1904. It was used by John V. Miller for notes, calculations, and drawings relating to diamond-drill operations on the Blezard property in the Sudbury district of Ontario. Included are expense calculations and survey data concerning the composition, depth, and working period of drill holes.

Pocket Notebooks

These twenty-two notebooks cover the period 1901-1905. They were used by Edwin Bolitho, John V. Miller, Claude H. Opdyke, and others conducting surveys of land and mines. The books contain maps, needle readings, lists of samples, and descriptions. One survey book used by Miller in 1901 contains entries concerning properties adjoining the New Jersey Zinc Co.

PN-01-01-19 PN-01-08-13 PN-01-08-22 PN-01-08-24.1 PN-01-08-24.2 PN-01-08-24.3 PN-01-08-24.4 PN-01-08- 24.5

PN-01-08-24.6 PN-01-08-26 PN-01-09-17 PN-01-12-04 PN-01-12-05 PN-01-12-07 PN-02-04-16

PN-02-04-17.1 PN-02- 04-17.2 PN-02-04-17.3 PN-02-04-17.4 PN-02-04-22 PN-03-01-12 PN-05-10-13.2