Vintage Ray-O-Vac 7D Sportsman Flashlight - Will it Light?

In this video we check out a Ray-O-Vac Sportsman flashlight.
This one's a longboi, taking a full seven "D" cell batteries.
We'll take it apart to replace the bulb,
and do some comparison tests against more modern flashlights.

DeOxit D5 Contact Cleaner:
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"D" to "AA" Battery Adapters
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Shots of the flashlight in Omega Man:
https://www.imfdb.org/wiki/The_Omega_Man#Early_Flashlight_mounts

Chapters:
00:00 Intro
00:31 Heston's Flashlight?
00:52 Takedown Feature
01:28 Loading the Flashlight
02:36 Disassembly
03:24 Bulb Replacement & Cleaning
04:36 Initial Test
05:01 Dim Hallway Test
05:59 Beam Distance Test