Mystery Gear: Sodium Lamp + Tuning Fork Jig

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Discussion Overview

The discussion revolves around identifying two items found in a lab: a lamp that glows red inside a metal tube and a tuning fork jig. Participants explore the nature of the lamp, speculating on its type and function, while also questioning the purpose of the tuning fork setup.

Discussion Character

  • Exploratory
  • Technical explanation

Main Points Raised

  • One participant identifies the lamp as a sodium lamp, while another suggests it could be a mercury lamp, noting differences in color between the two.
  • There is speculation about the purpose of a clip on the lamp that might hold a slide, possibly a diffraction grating.
  • A participant observes that the lamp initially glows red due to a heating element, but after warming up, it emits a warm yellow glow, reinforcing the sodium lamp identification.
  • Concerns are expressed about the lamp potentially blowing up, indicating caution in its use.

Areas of Agreement / Disagreement

Participants express differing views on the type of lamp, with no consensus reached on its exact identification. The purpose of the tuning fork jig remains unclear, with no agreement on its function.

Contextual Notes

Some assumptions about the lamp's operation and characteristics are not fully explored, and the discussion does not resolve the exact identification of the lamp or the tuning fork jig's purpose.

marcarli
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I have found these. gathering dust on the shelf in the lab. pictures are attached. first item is some sort of lamp that glows red inside a metal tube. the second item is a rack with a tuning fork clamped to it with at sharp metal prong attached to one of the tuning fork tines anybody out there know what these things are?

Figured out my first item is a sodium lamp. How about the weird tuning fork jig?
 

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Stay away from my doomsday device!
 
The first one looks like a mercury lamp. Though, they tend to glow yellowish blue, if that makes any sense. Sodium lamp would also fit. They are more orange. Could fit the "red" glow you describe. I suppose, it could be any number of other elements as well, but these two are most common in labs.
 
Thanks, you could be right. There is a clip to put some sort of slide over the square opening I suppose. Maybe a diffraction grating? The lamp is very dim and takes a few seconds to warm up and is definitely reddish almost like a tiny toaster element inside a bulb.
 
I let the thing warm up and it looks like the red coil is only the heater. After about 5 min it is now a nice warm yellow glow in the whole tube. It must be a sodium lamp! Thanks again. I just didn't leave it on long enough, kind of afraid it might blow up though. It looks pretty cool!

Mark