Mining Safety Lamps: a Light in Dark Places

Описание: ERRATA:
-George Stephenson's surname is pronounced "Steve-enson", not "Stef-enson"
-I accidentally say "Air Raid Protection" instead of "Air Raid Precautions"

Developed in the early 19th century to reduce the risk of explosions in coal mines, Safety Lamps are a surprisingly long-lived safety technology, used for over 200 years in applications as diverse as testing air in sewers and other confined spaces, marking ruptured gas mains, and even as primitive automotive block heaters.

0:00 Introduction
1:06 Mining “Damps”
2:05 Early Mitigation Efforts
4:13 The 1812 Felling Disaster
4:34 William Reid Clanny
5:28 The Davy Lamp
7:11 George Stephenson’s Geordie Lamp
8:42 The Davy-Stephenson Feud
10:34 Davy & Geordie Lamps - Design Flaws
12:35 Improved Clanny Lamp
13:10 Meuseler Lamp
13:23 Marsaut Lamp
14:17 Cambrian Lamp: Design and Function
15:48 Koehler 209 Lamp: Design and Function
16:23 Early Safety Violations
17:52 Locking Mechanisms
18:28 Auto-Extinguishing Mechanisms
19:26 Internal Ignition Mechanisms
20:20 Electric Lights and Schedule A/B
21:11 Air Testing / Alternative Lamps
23:29 Outro


SOURCES

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