Prismatic Stand Compass

In stock
Special Price $23.50 Regular Price $39.00
Special Price $23.50 Regular Price $39.00

Dimensions & Weight:
Small -
2 1/16 inches (5.2 cm) diameter and stands 2 1/2 inches (6.4 cm) tall
7 1/2 ounces (215 grams)

Regular -
2 13/16 inches (7.1 cm) diameter and stands 3 1/2 inches (8.9 cm) tall
12 1/2 ounces (354 grams)

Large -
4 3/8 inches (11.1 cm) diameter and 4 1/2 inches (11.4 cm) tall
1 pound 14 ounces (859 grams)

Product Features:
Three reproductions of an antique prismatic compass mounted on a stand
All compasses beautifully crafted from solid brass and polished to a mirror-like shine
Hinged prism can be used as a front sight and at the same time view the compass heading
Built-in stand makes these compasses a perfect desk accessory

Full Description:
These Stanley London® Prismatic Stand Compasses are reproductions of an antique Prismatic compass mounted on a stand.  These prismatic stand compasses are beautifully crafted from solid brass and polished to a mirror-like shine.  On each compass a prism allows you to simultaneously view the object being sighted and its magnetic heading.  The prism is also hinged and can be rotated up for use as a front sight and to view the compass heading without averting the user's gaze.  Reverse mirror image printing on the compass rose reads properly when viewed though the prism.  When making a heading measurement, the magnetic heading appears under the object being sighted.  Each compass has a needle lift mechanism that is operated with a thumbscrew or a push button on the bottom of the compass to protect the compass jewel when being transported.  The base of each compass unscrews to expose standard 1/4-20 threads to allow mounting the compass on a surveyor's tripod.  The built-in stand makes them a perfect desk accessory.

The Stanley London® Small Prismatic Stand Compass lid is 2 1/16 inches (5.2 cm) in diameter, stands 2 1/2 inches (6.4 cm) tall, and weighs 7 1/2 ounces (215 grams).  The hinged brass lid has a replaceable sighting thread, which flips up to expose the compass.  Adjustment screws allow the height of the prism to be precisely set.  The compass has a needle lift mechanism that is operated with a thumbscrew on the bottom of the compass to protect the compass jewel when being transported.  The brass compass card reads "T. Cooke London."

The Stanley London® Regular Prismatic Stand Compass lid is 2 13/16 inches (7.1 cm) in diameter, stands 3 1/2 inches (8.9 cm) tall, and weighs 12 1/2 ounces (354 grams).  The hinged brass lid flips up to expose the compass.  Adjustment screws allow the height of the prism to be precisely set.  A small button in the rear of the compass activates a needle freeze mechanism to hold a compass heading for easier reading.

The Stanley London® Large Prismatic Compass measures 4 3/8 inches (11.1 cm) in diameter, 1 1/2 inches (3.8 cm) thick, the compass and stand are 4 1/2 inches (11.4 cm) tall, and weighs one pound, 14 ounces (859 grams).  The large brass lid is stamped "Stanley London," and comes off to expose the aluminum compass dial.  A unique feature of this Prismatic Compass is that there are two colored filters that can be placed in the optical path of the measurement to reduce glare.  There is a small cover that can be swung into place to protect the prism.  Two adjustment screws allow the height of the prism to be precisely set for proper focus.  Pressing a small plunger button near the rear sight locks the compass card for easier reading.  The rear sight has a replaceable thread and a hinged mirror that can also be raised or lowered.  Your personalized inscription can be engraved on the top of this compass.

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