Special Features:

Cinsertion tube length 6.700 ft; 50 watt solarc lamp light source; joystick-controlled motor driven; built-in 16mb of memory for image and audio file storage; integrated 3.5 inch floppy disk drive

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.