Special Features:

Qw/2 ft limp probe, 0.500 in. Min opening for insertion; w/2 high intensity lamps; viewing area 1.000 in. Dia; viewing distance 1.500 to 3.000 in. From end cap and 1.000 to 2.500 in. From right angle attachment; w/case

Properties:

A viewing device used to visually inspect items such as cannon bores, internal combustion engine cylinder walls, propellant perforations of rocket motors or similar items, for defects of manufacture, corrosion, scars, erosion, etc., without the necessity of disassembling the item(s). It may or may not have extension tubes to cover the various ranges of inspection. The item is basically a straight-tube telescope using a mirror or prism.