Westinghouse H34 /W 1000W mercury lamp
this was a very unusual and very rare find!

found on UK ebay this is not something I imported from the US!

its a very unusual lamp, because not only is it H34 which is a very rare specification of US 1000W mercury lamp, and not only because it has /W strontium zinc orthophosphate phosphor

but it has an E40 cap! not an E39 cap, clearly indicating it must have been made for export for some reason!

its very weird seeing such a european looking cap on such a US lamp otherwise!

it is worth noting that H34 is of the same specifications that 240V single phase British 1Kw mercury lamps are, so its not too surprising that it is H34, but in the US H34 is very rare!

(most 1Kw lamps there are H36 which is equivalent to our 400V 3 Phase 1Kw mercury lamp)

im also very happy to get it because its my first /W Mercury lamp, its the last major mercury lamp phosphor type I was lacking in the collection, it is a very interesting colour!


its also interesting to note that Andy has a very similar lamp to this one in his collection but his is about 10 years older and made in Canada

but it is also H34 E40 capped with /W phosphors so I do wonder if these 2 lamps are related in anyway, ie where they imported by the same persons/company or wherever they originated from!

Westinghouse H34 /W 1000W mercury lamp

this was a very unusual and very rare find!

found on UK ebay this is not something I imported from the US!

its a very unusual lamp, because not only is it H34 which is a very rare specification of US 1000W mercury lamp, and not only because it has /W strontium zinc orthophosphate phosphor

but it has an E40 cap! not an E39 cap, clearly indicating it must have been made for export for some reason!

its very weird seeing such a european looking cap on such a US lamp otherwise!

it is worth noting that H34 is of the same specifications that 240V single phase British 1Kw mercury lamps are, so its not too surprising that it is H34, but in the US H34 is very rare!

(most 1Kw lamps there are H36 which is equivalent to our 400V 3 Phase 1Kw mercury lamp)

im also very happy to get it because its my first /W Mercury lamp, its the last major mercury lamp phosphor type I was lacking in the collection, it is a very interesting colour!


its also interesting to note that Andy has a very similar lamp to this one in his collection but his is about 10 years older and made in Canada

but it is also H34 E40 capped with /W phosphors so I do wonder if these 2 lamps are related in anyway, ie where they imported by the same persons/company or wherever they originated from!

Image_from_iOS_2812129.jpg Image_from_iOS_2812429.jpg Image_from_iOS_2812329_copy.jpg Image_from_iOS_289029.jpg Image_from_iOS_288529.jpg
File information
Filename:Image_from_iOS_2812329_copy.jpg
Album name:Lightbulbfun / My Lamps
Manufacturer:Westinghouse
Type/Model:H34GW-1000/W
Wattage:1000W
Date manufactured:September 1978
Filesize:1562 KiB
Date added:22 Apr, 2020
Dimensions:3264 x 1559 pixels
Displayed:28 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=13703
Favourites:Add to Favourites

Comment 1 to 8 of 8
Page: 1

Andy   [22 Apr, 2020 at 05:28 PM]
Nice lamp Dez! I was tempted to buy one of these but as you say I have a similar lamp and have also spent too much this year. Embarrassed
thorncollector   [22 Apr, 2020 at 11:36 PM]
nice lamp i also thought about buying one, but i have a similar h34 lamp coated but with a e39 cap, so could not justify it.
thorncollector   [22 Apr, 2020 at 11:38 PM]
hope everyone is ok atm, with the covid 19 its nearly 20k deaths scary. they said its near its peak but until cases fall continuously ill stay in isolation
FrontSideBus   [23 Apr, 2020 at 01:05 AM]
Any more and was it listed in the eBay section?
Lightbulbfun   [23 Apr, 2020 at 03:05 AM]
thanks Andy Smile I know what you mean! I have another 1Kw Mercury lamp arriving soon hopefully, again similar to one you have, that also means iv spent too much LOL

ah nice Thorncollector, do you have a picture of your H34 lamp uploaded or not? it would be interesting to see it Smile

sadly not FSB, the seller had 5 listed (I suspect there was at one point a case of 6 and maybe the 1st one was put into use all those years ago as these large lamps where sold in cases of 6) I think I was the first to spot the listing but they all sold pretty quickly sadly, I managed to get one, then I shared the link with a fellow collector and he got one, but then suddenly the remaining 3 got bought in one go by one unknown person and I think got distributed among a couple other collectors? (I know colin got one), im just happy I managed to get one given how the 3 suddenly sold!

thorncollector   [23 Apr, 2020 at 08:05 PM]
ill take a photo now
AngryHorse   [23 Apr, 2020 at 08:16 PM]
It’s hard to believe the Americans actually used these for street lighting!, whereas they were more for factory lighting use here, love the shape of these though.
Funkybulb   [24 Apr, 2020 at 02:33 PM]
It was mostly used for Car park lighting. I got one of these lamp that i brought it back to the US
as H34 is just rare and uncommon. I just now have a way of lighting them now. even the gear for the lamp is very rare. only application for these was using these where 3 phase 240 volt delta system in the US. other than that rest got the H36 gear and lamps

Comment 1 to 8 of 8
Page: 1

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