This make was also in England and they supplied lamps to the Woolworth chain under the names Sunshine and Vesta. The company is owned by Philips.
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https://www.youtube.com/watch?v=nzZTsmmOdR0
A non worker put up for info, these either had the name Philips or Osram, very difficult to find one which works on both filaments, high and low wattage.
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https://www.youtube.com/watch?v=yAfb0q7iTuI
Here we have a heat lamp (carbon) by NALCO 1930s? used to treat painful joints etc. North American Lamp Co.
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https://www.youtube.com/watch?v=VjpAflIXUaQ