Collection:
Juneau—Douglas City Museum
Object ID:
2007.22.055A—F
Accession#:
2007.22
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Magnetometer
Title:
Magnetometer
Year Range from:
1950
Year Range to:
1965
Description:
Magnetometer and Carrying Case
A: Magnetometer. Long cylindrical silver metal container. The top looks to be removable. It has a glass fixture, with a level and meter inside. Says "Jalander magnetometer / HELSINKI FINLAND / No 759" on the very top. Inside the glass fixture it says "Model / W505 / Moving Coil / Grade In. / Horizontal / Only" on the left and "Ser.No. / 1984853 / Tropical / 25uA / 1320 n" on the right. Just under the top on the body it says "80167" and there is a sticker that says "EXPLORATION METHODS INC. / P.O. Box 100 / Isphrming, Michigan U.S.A. / Range Calibration 9.4 288 96.7 300 980. The body is a long cylinder with three knobs near the top and a textured bar in the middle. There are also two fixtures on the back that allows the carrying strap to attach to the instrument. In between the two fixtures, there is a box with two sockets. The box says " EMI / REG BAT".
B: Carrying Strap
Adjustable leather strap, used for carrying magnetometer.
C: Case
Brown leather case with adjustable strap and three paper tags. The top of the case lifts open and there is a metal latch on the front, to hold it shut. On the top it says "U.S. Bur. of Mines, / Box 550, Juneau, / Alaska, 99801." There is the remnant of a sticker here. On the front of the case their is another sticker that says "Department of Interior / Bureau of Land Management / BAR CODE / 0417163"
D: Tag — T.L. Pittman
Yellow paper tag. Says "T.L. Pittman, / U.S. Bureau of Mines, / Trocodero Bay (crossed out) / Juneau"
E: Tag — Tom L. Pittman
Yellow paper tag. Says "Tom L. Pittman, / U.S. Bureau of Mines, / Juneau, / Alaska."
F: Tag — T.L. Pittman Fairbanks
Yellow paper tag. Says "T.L. Pittman, / U.S. Bureau of Mines, / 409 Lathrop Blgd. / Fairbanks, / Alaska"
A: Magnetometer. Long cylindrical silver metal container. The top looks to be removable. It has a glass fixture, with a level and meter inside. Says "Jalander magnetometer / HELSINKI FINLAND / No 759" on the very top. Inside the glass fixture it says "Model / W505 / Moving Coil / Grade In. / Horizontal / Only" on the left and "Ser.No. / 1984853 / Tropical / 25uA / 1320 n" on the right. Just under the top on the body it says "80167" and there is a sticker that says "EXPLORATION METHODS INC. / P.O. Box 100 / Isphrming, Michigan U.S.A. / Range Calibration 9.4 288 96.7 300 980. The body is a long cylinder with three knobs near the top and a textured bar in the middle. There are also two fixtures on the back that allows the carrying strap to attach to the instrument. In between the two fixtures, there is a box with two sockets. The box says " EMI / REG BAT".
B: Carrying Strap
Adjustable leather strap, used for carrying magnetometer.
C: Case
Brown leather case with adjustable strap and three paper tags. The top of the case lifts open and there is a metal latch on the front, to hold it shut. On the top it says "U.S. Bur. of Mines, / Box 550, Juneau, / Alaska, 99801." There is the remnant of a sticker here. On the front of the case their is another sticker that says "Department of Interior / Bureau of Land Management / BAR CODE / 0417163"
D: Tag — T.L. Pittman
Yellow paper tag. Says "T.L. Pittman, / U.S. Bureau of Mines, / Trocodero Bay (crossed out) / Juneau"
E: Tag — Tom L. Pittman
Yellow paper tag. Says "Tom L. Pittman, / U.S. Bureau of Mines, / Juneau, / Alaska."
F: Tag — T.L. Pittman Fairbanks
Yellow paper tag. Says "T.L. Pittman, / U.S. Bureau of Mines, / 409 Lathrop Blgd. / Fairbanks, / Alaska"
Notes:
Model W505
Serial Number 1984853
Calibrated by Exploration Methods Inc. PO Box 100 Ishpeminy, Michigan USA
Used to identify buried metallic mineral deposits by measuring the Earth's Field and its changes, or the magnetic field of a particular rock.
Serial Number 1984853
Calibrated by Exploration Methods Inc. PO Box 100 Ishpeminy, Michigan USA
Used to identify buried metallic mineral deposits by measuring the Earth's Field and its changes, or the magnetic field of a particular rock.
People:
Pittman, Tom
Search Terms:
Surveying
Prospecting
T&E
JMIC
Mining
Prospecting
T&E
JMIC
Mining
Click to Enlarge
2007.22.055A-B
2007.22.055A
2007.22.055B
2007.22.005C
2007.22.005D
2007.22.055E
2007.22.055F
2007.22.055A-B
2007.22.055A
2007.22.055B
2007.22.005C
2007.22.005D
2007.22.055E
2007.22.055F