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41
« Last post by thomeric on March 11, 2021, 03:49:57 am »
My friend is restoring an old GE luminaire as a favor for a local historical society.
Since the lamp will be displayed indoors I was hoping to find a 75 watt National Mazda or equivalent bulb. Even though the Jones socket is reduced to a medium Edison base, a National Mazda type bulb looks pretty cool on display.
Anyone have an extra working 75 watt Mazda type bulb for a reasonable price for a "charity" display? It would be cool to have a working 1920s vintage lamp on display in another public museum.
Thanks.
42
« Last post by thomeric on March 11, 2021, 03:48:01 am »
Lamp and Tube to go in My Night Light Sockett Run though a England to USA Converter
Please and Thank You
43
« Last post by emilyakbb on March 10, 2021, 04:52:06 pm »
That looks like a General Electric NE34 neon glow lamp. Usually found with an E26 screw base that also houses an integrated resistance for use at 120 volts so it can be powered directly from standard US line voltages. Used anywhere a low power but long lived light source is desirable. Industrial indicator lights, nightlighting, that sort of thing.
In this case the bespoke mounting assembly suggests that one has been adapted for scientific or experimental uses, but for what specifically is a mystery. I can`t tell if the resistance is still present within that assembly at the bottom or not, but if it is, perhaps the three terminals allow for connection with or without it in circuit depending on application.
I also agree with this idea.
44
« Last post by Hanksta on February 26, 2021, 08:09:21 pm »
Hi whilst i was in the Australian Navy I was posted to an EX RF tanker and i acquired a couple of red light bulbs used on the bridge at night. On the top of the globe is written Property of H.(picture of a crown)M. Government, R.S. 78, 220, Crompton 40w, Made in UK, and then an S or 8 on bottom of writing. The globes are a lot heavier than a normal globe and the glass seems a lot thicker, I'm wondering if this was to protect them against shock during combat any information would be appreciated.
Regards Jason
45
« Last post by adam2 on February 16, 2021, 03:28:36 pm »
Agree, that sounds more likely than my initial supposition.
46
That looks like a General Electric NE34 neon glow lamp. Usually found with an E26 screw base that also houses an integrated resistance for use at 120 volts so it can be powered directly from standard US line voltages. Used anywhere a low power but long lived light source is desirable. Industrial indicator lights, nightlighting, that sort of thing.
In this case the bespoke mounting assembly suggests that one has been adapted for scientific or experimental uses, but for what specifically is a mystery. I can`t tell if the resistance is still present within that assembly at the bottom or not, but if it is, perhaps the three terminals allow for connection with or without it in circuit depending on application.
47
« Last post by adam2 on February 16, 2021, 12:16:27 pm »
Looks to me like an early type of valve/vacuum tube and not a lamp.
The screw terminals suggest use an a workshop or lab for teaching, rather than permanent use in a piece of equipment.
Only three connections suggests a directly heated diode, two connections for the filament and one for the anode.
Might be valuable since mounting as shown is rare.
48
« Last post by tommythetech on February 14, 2021, 07:04:17 pm »
Greetings I am new here and need some help identifying this tube and it's value please.
49
« Last post by tommythetech on February 14, 2021, 06:48:44 pm »
Greetings everyone I am new here and need some help identifying this bulb please.
50
« Last post by JimDiv on February 02, 2021, 11:41:36 am »
WTB: Eagle Standard (E26) to Intermediate (E17) socket adapter. See photos for exact type needed. Thanks.
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