Thorn Beta 5
Lantern acquired in May 2005.
Thanks to Stephen Rowe for this lantern. Although I already had two Beta 5s at this stage in my collecting, this is another variant - one that was made in the late 1980s, which makes it older than my first Beta 5, but younger than my second.
By the late 1980s, the chunkiness of the Beta 5 canopy began to disappear - instead, it was being replaced with a smaller one with rounder edges. This example is shown with a deep bowl, but judging by the positioning of the lampholder, it looks as if the shallow bowl had been brought out by then as well. The red mark seen on the bottom-right of the bowl is the result of the lantern being positioned under a tree when in use.
The dirt is shown more clearly here - funnily enough, the gasket at this end of the lantern appears to have some small shoots of a plant growing out of it!
The lantern was fitted to a wall bracket on Sunday, 27th May 2018. A quick swap of the bowl and the lantern looked almost as good as new.
The lantern was then powered up.
Testing with my energy monitoring device revealed the following results:
|Test Voltage (V)||Current being drawn at full power (A)||Measured wattage (W)||Apparent Power (VA)||Frequency (Hz)||Power Factor||True Power (W)||Difference to rated wattage||Percentage Difference|
Lamp warm-up video:
Now compare this version of the Beta 5 to the 1983 and 1996 versions by clicking here.
Thorn Beta 5s in the Collection
ELECO GR 501 | Thorn EMI Alpha 3
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