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Philips Lifeguard H39KB-175 Clear Mercury Vapor Lamp

Philips Lifeguard H39KB-175 Clear Mercury Vapor Lamp

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Philips Lifeguard H39KB-175 clear mercury vapor lamp. I always like finding these, especially in the BT28 format.

H39KB-175.JPG H39KB-175_ETCH.JPG Norelco_H39KB-175~0.JPG Norelco_H39KB-175_ETCH~0.JPG

Light Information

Light Information

Manufacturer:North American PHILIPS Lighting Corporation
Model Reference:H39KB-175
Lamp
Lamp Type:Mercury Vapor
Filament/Radiator Type:Quartz
Base:E39 (Mogul)
Shape/Finish:BT28
Service Life:24,000 Hrs + (Rated)
Fixture
Ballast Type:H39
Electrical
Wattage:175W
Voltage:120V Nominal
Current:1.46A
Optical
Lumen Output:7,700 (Mean)
Lumen Efficacy:44 LPW
Color Temperature:6800K +/-
Color Rendering Index:25% +/-
Physical/Production
Factory Location:Bath, NY
Fabrication Date:9/85
Application/Use:Street & Security Lighting

File information

File information

Download: Download this File
Filename:H39KB-175.JPG
Album name:WestinghouseCeramalux / Philips Mercury Vapor Lamps
Keywords:Lamps
File Size:382 KB
Date added:Nov 09, 2019
Dimensions:1280 x 960 pixels
Displayed:29 times
Date Time:2018:04:17 04:10:49
DateTime Original:2018:04:17 04:10:49
Exposure Bias:0 EV
Exposure Time:1/125 sec
FNumber:f 3.3
Flash:No Flash
Focal length:4.7 mm
ISO:100
Make:Panasonic
Model:DMC-TZ5
Software:Ver.1.0
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-167225
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GE101R
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Nov 09, 2019 at 10:52 PM Author: GE101R
Came from same factory before Westinghouse sold it's HID lamp division to Philips?
WestinghouseCeramalux
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Nov 09, 2019 at 11:22 PM Author: WestinghouseCeramalux

Came from same factory before Westinghouse sold it's HID lamp division to Philips?


This lamp was made at the Bath, NY plant that was formerly owned by Westinghouse. After Philips bought it, they continued to make the BT28 lamp up to about '87 or '88 and then switched to the ED28 format, while still using the Lifeguard electrodes.

Your mission - should you choose to accept it - is to save unique and rare HID lighting before it's all scrapped.

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Nov 09, 2019 at 11:52 PM Author: GE101R

This lamp was made at the Bath, NY plant that was formerly owned by Westinghouse. After Philips bought it, they continued to make the BT28 lamp up to about '87 or '88 and then switched to the ED28 format, while still using the Lifeguard electrodes.


There was a large Westinghouse lamp factory in Little Rock, Arkansas on Roosevelt Road that later was apparently bought out by Norelco. Way long ago and I remember seeing North American Phillips on the building.
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