Mazda - BTH 20w 105v pip-top tungsten lamp
These were found on Ebay by another collector in their original factory box, which is rather incredible given the age of these. However, going by the packaging I think these are from the 1920's as opposed to the 1910's.

Mazda - BTH 20w 105v pip-top tungsten lamp

These were found on Ebay by another collector in their original factory box, which is rather incredible given the age of these. However, going by the packaging I think these are from the 1920's as opposed to the 1910's.

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File information
Filename:Screenshot_20230217_180613_Gallery.jpg
Album name:LAllenLighting / GLS and Halogen lamps
Manufacturer:Mazda (BTH)
Wattage:20w
Date manufactured:20s
Filesize:415 KiB
Date added:18 Feb, 2023
Dimensions:1577 x 1213 pixels
Displayed:7 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18860
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