Collection:
Juneau—Douglas City Museum
Object ID:
2007.04.002A—K
Accession#:
2007.04
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Transit
Title:
Mountain Transit
Artist — Creator:
Wm. Ainsworth & Sons, Designers
Year Range from:
1950
Year Range to:
1996
Description:
Mountain Transit in wooden case
A — Instrument. Manufactured primarily of brass and painted black. Paint is chipping across the surface of the entire piece. Instrument is composed of three basic sections, a base plate, a central plate and lens assembly on top. The base plate is made from brass and has a female thread. The central body has two leveling bubbles. There is a glass window at center under which is printed in white lettering: " Designed By / Wm. Ainsworth & Sons, / Denver, Colo., U.S.A. / 2723 / Manufactured By / Rocky Mt. Instrument Co. / Denver, Colo" The top section is a long lens assembly with a wheel to one side.
B — Wooden Storage Box. Box is made from wood with two leather straps that buckle on top. Painted on top of th box in plack lettering is the following: U.S.B.M. —371 / U.S. Bureau of Mines, / Box 550, / Juneau, Alaska / 99801. There is a property sticker, with a barcode, on the front side of the box that says: "Department of Interior / Bureau of Land Management / 0417166" Box latches closed with two brass hooks on the front side of the box. One of the 4 bumpers on the bottom of the box on which the box sits, is missing.
C — Auxiliary Telescope. Auxiliary telescopic lens for use underground. Brass metal, painted black with brass knobs. 7.5" long.
D — Lens Cap. Lens cap for the replacement lens. Fits snugly over the large glass end of the lens. Made from metal and painted black.
E — Cylindrical lens shade. Made from metal and painted black. Designed to go over the end of the lens. Has three 3/8" slits cut in the bottom rim of the object.
F — Lens Shade. Cylindrical in shape. Designed to go over the end of the lens. Has three 3/8" slits cut in the bottom of the object. A large circle of material has been cut out of the side of the cylinder and there is a metal rim inside the tube at center forward. Rim is not painted on the bottom side, it is placed at a 45 degree angle to the long barrel of the tube.
G — Key — Metal key shaped like a wing nut. Key has two small nipples at bottom.
H — Screw driver. Metal screw driver with a wooden handle. Molded tin collar around the bottom of the handle where the shaft of the metal screw driver is inserted in the handle, is loose.
I — Nail. Shaft of a wire nail that has had the flat head clipped off of it. Shaft of nail is corroded. Nail was stored in the small forward hole to proper left of t 0he screw driver in the top pl corner of the case. Not labeled.
J — Metal Rod. Metal Rod with a taper at one end , (two)2.25" in length. Rod was stored in the small hole at top pl corner of the case, the small hole closest to the back wall of the case. Not labeled.
K — Metal Piece. Metal piece of indeterminate use. Painted brass. This associated part is stuck in the carrying case to it is impossible to remove, label and describe at this time.
A — Instrument. Manufactured primarily of brass and painted black. Paint is chipping across the surface of the entire piece. Instrument is composed of three basic sections, a base plate, a central plate and lens assembly on top. The base plate is made from brass and has a female thread. The central body has two leveling bubbles. There is a glass window at center under which is printed in white lettering: " Designed By / Wm. Ainsworth & Sons, / Denver, Colo., U.S.A. / 2723 / Manufactured By / Rocky Mt. Instrument Co. / Denver, Colo" The top section is a long lens assembly with a wheel to one side.
B — Wooden Storage Box. Box is made from wood with two leather straps that buckle on top. Painted on top of th box in plack lettering is the following: U.S.B.M. —371 / U.S. Bureau of Mines, / Box 550, / Juneau, Alaska / 99801. There is a property sticker, with a barcode, on the front side of the box that says: "Department of Interior / Bureau of Land Management / 0417166" Box latches closed with two brass hooks on the front side of the box. One of the 4 bumpers on the bottom of the box on which the box sits, is missing.
C — Auxiliary Telescope. Auxiliary telescopic lens for use underground. Brass metal, painted black with brass knobs. 7.5" long.
D — Lens Cap. Lens cap for the replacement lens. Fits snugly over the large glass end of the lens. Made from metal and painted black.
E — Cylindrical lens shade. Made from metal and painted black. Designed to go over the end of the lens. Has three 3/8" slits cut in the bottom rim of the object.
F — Lens Shade. Cylindrical in shape. Designed to go over the end of the lens. Has three 3/8" slits cut in the bottom of the object. A large circle of material has been cut out of the side of the cylinder and there is a metal rim inside the tube at center forward. Rim is not painted on the bottom side, it is placed at a 45 degree angle to the long barrel of the tube.
G — Key — Metal key shaped like a wing nut. Key has two small nipples at bottom.
H — Screw driver. Metal screw driver with a wooden handle. Molded tin collar around the bottom of the handle where the shaft of the metal screw driver is inserted in the handle, is loose.
I — Nail. Shaft of a wire nail that has had the flat head clipped off of it. Shaft of nail is corroded. Nail was stored in the small forward hole to proper left of t 0he screw driver in the top pl corner of the case. Not labeled.
J — Metal Rod. Metal Rod with a taper at one end , (two)2.25" in length. Rod was stored in the small hole at top pl corner of the case, the small hole closest to the back wall of the case. Not labeled.
K — Metal Piece. Metal piece of indeterminate use. Painted brass. This associated part is stuck in the carrying case to it is impossible to remove, label and describe at this time.
Notes:
Reported to be the oldest instrument at BLM.
Search Terms:
JMIC
Surveying
Prospecting
T&E
Government
Mining
Federal
Surveying
Prospecting
T&E
Government
Mining
Federal
Click to Enlarge
Mountain Transit with Case
Mountain Transit Detail
Mountain Transit Case Detail
Mountain Transit with Case
Mountain Transit Detail
Mountain Transit Case Detail