borescope

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borescope

(ˈbɔːˌskəʊp)
n
(Tools) a long narrow optical device used to inspect the interior of a tight space
References in periodicals archive ?
As a result, the sights are only about 1/16" lower than the center of the Duplex reticle of the rifle's 3x20 Leupold Big Bore scope. (Echols also installed the rear sight far enough forward to not interfere with the scope's front end --or appear too fuzzy to middle-aged eyes.)
Now, I need to add the Hawkeye Precision Bore Scope from Gradient Lens Corporation to the list.
This may include the use of a bore scope, excessive cleaning brush drag, green-stained cleaning patches while using copper removing solvent, or actual visual evidence of copper or bore roughness.
I examined the bore with a Hawkeye bore scope, and the angled lands are quite evident.
It does not appear to have been shot much, but an examination with a bore scope would be needed to determine that.
Barrels can also be evaluated with a bore scope. Bore scopes are available for under a grand and a gunsmith can sell lots of barrels by letting his customers inspect the bore through a good scope.
To accurately measure the degree of misalignment and monitor the progress of returning to alignment, until recently the most common method was to position a bore scope to the rear of the gearbox and adjust it so that it optically represents the centerline of the drive.
This data, along with the cylinder flow test and a cylinder bore scope inspection, means that the annual inspection team can largely concentrate on the main bearings, crankcase, the compressor side and auxiliaries.
They use hundreds of tools, utilizing things like bore scope cameras to see hard-to-reach places inside the engine, dry ice to condense specific parts and basic wrenches for bolt turning.
Aviation Machinist's Mate 2nd Class Timothy Melton, assigned to the VFA-105, uses a bore scope on an engine to search for blockage or parts needing to be replaced aboard the aircraft carrier USS Harry S.