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GE PH/111A 75w White Projector bulb - Checking Bulb Out On 12 Volts

GE PH/111A 75w White Projector bulb - Checking Bulb Out On 12 Volts

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Here I am using an Commtron Accessories 12 volt bench supply to test to see if this bulb works and avoid powering off 120 v for this one to play it safe due to the extreme heat this will produce. I have this bulb in an B15 single contact socket to E26 medium screw adapter for older certain camera flash units that fits the single contact bayonet flashbulbs into flash units that normally fits medium screw flashbulbs. Have the adapter in an old H&H porcelain pony cleat socket and short length of lamp cord with tinned bare ends. This is my low voltage test socket base. There is another adapter that fits in the bayonet socket to take miniature screw bulbs that came in this adapter. The FH designation on the base etch may be a PH according to member home brew lamps, possibly the P may had been stamped wrong and didn’t came out right appearing as an F on mine. The bulb did got rather warm touching the top on 12v.

895ED1EF-D12C-4731-ABF6-AB9C85D2AE84.jpeg F0C48056-D9EA-4D74-A957-6F493AEAFC39.jpeg 315F7CD1-1975-4D67-B145-9D33C3EA7401.jpeg C72AB686-5BDC-4A03-B04B-56852B0D0523.jpeg

Light Information

Light Information

Manufacturer:General Electric
Physical/Production
Application/Use:Under Test

File information

File information

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Filename:315F7CD1-1975-4D67-B145-9D33C3EA7401.jpeg
Album name:socketgeek63 / Incandescent Lamps
Keywords:Lamps
File Size:310 KB
Date added:Jun 26, 2018
Dimensions:2464 x 1848 pixels
Displayed:60 times
Date Time:2018:06:26 22:53:51
DateTime Original:2018:06:26 22:53:51
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Exposure Time:1/15 sec
FNumber:f 2.4
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Focal length:3.3 mm
ISO:800
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