Borescopes $30–$130+
Feb 16, 2021
1 minute
, borescopes were perfected during World War II for inspecting cannon bores—hence the name. (Endoscopes are their medical cousins.) The technology has become so convenient of late that borescope-type gadgets are hawked on late-night TV for homeowners who want to snoop
You’re reading a preview, subscribe to read more.
Start your free 30 days