Video links for light bulb talk

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Mar 13, 2026, 7:25:21 AMMar 13

to Reading and District Amateur Radio Group

Dear Member,

Thanks again to John Holden for last night's fascinating talk on light bulbs.

As promised, here are the YouTube video links mentioned in the talk.

73 Simon M0ZSU

Fire evacuation drill at factory (500 workers evacuated in 52 seconds, Brigade ready for action after 90 seconds)

Loading bay and dispatch - Osram Lamp delivery by horse drawn vehicles

Film of the factory from a rooftop

Workers leaving through the factory gates

Various factory staff mainl in offices

Tungsten lamp photometry

Views inside the factory (tungsten lamp era)

Lamp exhausting using later mechanical pumps

High speed hand packing of lamps

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