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Prismatic Compass
Model No.: SMEW-0183
Standards :
Specification : The compass can be threaded onto the lightweight surveyor 's tripod with a ball and socket head using standard 3/4 inch x 24 threads. The compass measures 4 3/8 inches (11.1 cm) in diameter, 1 1/2 inches (3.8 cm) thick, and weighs one pound, 3 ounces (539 grams). When mounted on its tripod, the height of the compass is adjustable from a minimum height of 12 1/2 inches (31.7 cm) tall is a maximum height of 21 inches (53.3 cm) tall. This compass is accurate with a resolution of about 1/2 a degree. Both the compass and tripod come with canvas cases.
Glass and the following | ||
---|---|---|
A | Tapered Rings | 2 Nos. |
B | Ball Centering Guide | 2 Nos. |
C | Steel Ball, of 9.5mm dia. | 2 Nos. |
D | Ring Holder | 1 No. |
E | Electric Heater | 1 No. |
Essential Accessories: | ||
F | Thermometer IP 60° C, Range : - | 2° C to 80° C |
G | Range | 30° C to 200°C |