Brunton Pocket Transit Compass Value Guide

The Brunton Pocket Transit Compass is a legendary surveying tool that integrates a compass, clinometer, and level into a single aluminum housing. Originally patented in 1894, these 1970-1990 era models are highly collectible for their enduring precision in measuring strike and dip in field geology.

What Is Brunton Pocket Transit Compass Worth?

The typical price range for Brunton Pocket Transit Compass is $175 - $190 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Mechanical condition of the clinometer and the fluidity of the needle movement.
• Clarity of the glass and the absence of oxidation on the internal mirrored surface.
• Presence of the original leather case and any surviving technical documentation or manuals.
• Cosmetic state of the black or silver finish on the aluminum exterior housing.

How to Identify Brunton Pocket Transit Compass?

• Look for the 'Brunton' brand name and 'Made in USA' engravings on the aluminum body.
• Verify the presence of the internal clinometer scale and the mirrored lid with a sighting line.
• Check for the original leather carrying case which often features a belt loop and snap closure.
• Ensure the needle features a functional locking mechanism when the lid is closed to prevent pivot wear.

History of Brunton Pocket Transit Compass

First patented in 1894 by David W. Brunton, a Canadian-born mining engineer, this instrument combined a compass, clinometer, level, and plumb bob into a single handheld device. It revolutionized field geology and remains a gold standard in the industry today for its precision in measuring strike, dip, and elevation.