Sylvania 100W A23 Mercury Vapour lamp

shown here just after striking, it has a very nice glow :)

I got this lamp a few years back, its from the mid 1970s, its a US market lamp.

File information
Filename:	Image_from_iOS_282529.jpg
Album name:	Lightbulbfun / My Lamps
Manufacturer:	Sylvania
Type/Model:	H38MP-100/DX
Wattage:	100W
Date manufactured:	Mid 1970s
Filesize:	1433 KiB
Date added:	11 Jan, 2019
Dimensions:	1536 x 2048 pixels
Displayed:	914 times
URL:	http://80.229.24.59:9232/gallery/displayimage.php?pid=10038
Favourites:	Add to Favourites

Comment 1 to 5 of 5

Page: 1

Andy

[11 Jan, 2019 at 11:56 AM]

Lovely!

Slyspark

[11 Jan, 2019 at 12:27 PM]

Unusual shape for a merc!

Lightbulbfun

[12 Jan, 2019 at 07:36 AM]

Thanks

the A23 shape was to match the shape 150W GLS lamps where in the US at the time, the lamp was designed to go into indoor light fittings and the such and look like a regular lightbulb Smile

Olav

[10 Jun, 2024 at 12:53 PM]

I like to call this process of the first few seconds of ignition of an MV lamp in the photo "lamp porn".

Lightbulbfun

[12 Apr, 2025 at 09:39 PM]

hah yeah, it is a very colourful and pretty phase Smile

Comment 1 to 5 of 5

Page: 1

Sylvania 100W A23 Mercury Vapour lamp

shown here just after striking, it has a very nice glow :) I got this lamp a few years back, its from the mid 1970s, its a US market lamp.

shown here just after striking, it has a very nice glow :)

I got this lamp a few years back, its from the mid 1970s, its a US market lamp.