Let’s not forget, though, that the majority of gauges sold at aerojumbles (and on eBay, etc) are the later, fluorescent type. These do not contain any radiological hazards.
The luminous gauges were phased out of service, not because of health concerns, but because the luminous compound deteriorated rather quickly and gave poor results, often within months of installation.
Even these later gauges are getting hard to find these days. But it’s much more than just the gauges, items which were relatively common a few years ago have become scarce – switches and minor components, etc.
It’s probably because most of the “accessable” bulk stockists have long since been cleared out and those that remain tend to charge an arm and a leg for everything.
Oh how I long for the good ol’ days of the Yeovilton Aerojumble. Anyone else remember them, I think they were the first such events? A Lancaster throttle box for £15 and another, 70% complete, for a fiver!
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