Collection:
Juneau—Douglas City Museum
Object ID:
2007.22.167
Accession#:
2007.22
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Compass, Bow
Title:
Drop Bow Pen
Description:
Drop Spring Bow Pen for drafting or cartography.
Object has two arms a tubular primary arm and a flat secondary arm. The secondary arm holds the pen tip, and is attached to the drop spring arm with a screw. At the center, above the pen tip is a thumbscrew. This Thumbscrew is used to set the distance between the tips of the instrument. The primary arm is tipped by a sharp steel nib. The size of the nib can be adjusted with long rod that comes out of the top of the instrument.
The manufacturer's name is printed on the section where the two arms come together: "POST'S GERMANY"
Object has two arms a tubular primary arm and a flat secondary arm. The secondary arm holds the pen tip, and is attached to the drop spring arm with a screw. At the center, above the pen tip is a thumbscrew. This Thumbscrew is used to set the distance between the tips of the instrument. The primary arm is tipped by a sharp steel nib. The size of the nib can be adjusted with long rod that comes out of the top of the instrument.
The manufacturer's name is printed on the section where the two arms come together: "POST'S GERMANY"
Notes:
Used to make small circles with a diameter of less than 1/4".
Search Terms:
JMIC
Government
Federal
Prospecting
Mining
Map
Drafting
Government
Federal
Prospecting
Mining
Map
Drafting
Click to Enlarge
