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235-3 Hollow Adapter The 235-3 screws into any Brunson stand having an intermediate tube or pedestal column and provides a standard 3 1/2 inch - 8 instrument thread mount. Vertical shots are possible with transits having a hollow vertical spindle.
235-5 Theodolite Adapter Plate
The 235-5 has a 3 1/2 inch - 8 standard internal thread for stand-mounting and a 5/8 inch - 11 external thread to affix theodolites to the stand.
235-6 Surface Mount Adapter (not shown)
The 235-6 is configured to mount on any flat surface, centered on a precision 3.500-inch bore. A flange with six bolt holes allows a secure fastening to the surface. The 235-6 has internal threads to accommodate a model 800 precision lift, or an instrument can be mounted on its standard external 3 1/2 inch - 8 threads directly. The six countersunk holes on the flange are 0.169-inch in diameter, 60° apart on a bolt circle of 3 15/16 inches diameter.
235-12 Precision Lift Adapter
This adapter seats into the dovetail mount on a model 800 precision lift and has the standard 3 1/2 inch - 8 instrument thread mount.
235-14 Theodolite Adapter Plate (not shown)
The 235-14 has a 3 1/2 inch - 8 standard internal thread for stand-mounting and an 18.8 mm - 1.5 mm external thread to affix theodolites to the stand.
235-15 Theodolite Adapter
The 235-15 is the same as the 235-14 with the addition of a special top plate specifically designed to accept Kern theodolites.
235-16 Lateral Slide Adapter
The 235-16 has a 2.825 - 20 NS - 2 external thread to mount directly to any Brunson stand having an intermediate tube. A recess in the top of this adapter will accept the dovetail mount on a lateral slide.
235-17 Dovetail Adapter
The 235-17 is designed to mount a cross-slide (either the model 802 or 235-0) to a stand without the model 800 precision lift. The 235-17 has a standard 3 1/2 inch - 8 internal thread for stand-mounting and a recess that accepts the dovetail of a cross-slide. Two set screws hold the cross-slide firmly in place.
235-18 Surface Mounting Ring (not shown)
The 235-18 bolts to any flat, stable surface and provides an instant instrument mount. It has standard 3 1/2 - 8 external threads, and a flange with six bolt holes to allow secure fastening to the surface. The six countersunk holes are 0.169 inch in diameter, and 60° apart on a bolt circle of 3 15/16 inches diameter.
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Specifications subject to change without notice please call to verify.