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Other Vintage Household Electrical or Electromechanical Items For discussions about other vintage (over 25 years old) electrical and electromechanical household items. See the sticky thread for details.

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Old 26th Apr 2024, 5:37 pm   #41
SiriusHardware
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Default Re: Cabin Slide Projector

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can someone tell me just what a "Cabin Slide Projector would have been used for?
I wondered about that too so I googled the term and it turns out that 'Cabin' is a brand, so simply 'a slide projector made by Cabin'.
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Old 27th Apr 2024, 2:37 pm   #42
G6Tanuki
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Default Re: Cabin Slide Projector

Ah,, I am enlightened. I somehow assumed they were something with aviation or maritime applications.
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Old 27th Apr 2024, 3:52 pm   #43
TonyDuell
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Default Re: Cabin Slide Projector

Ah, one of those. There was a very similar (although possibly better built) Russian projector. I was given one as a Christmas/Birthday present over 40 years ago and still have it.
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Old 27th Apr 2024, 5:32 pm   #44
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Default Re: Cabin Slide Projector

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Originally Posted by emeritus View Post
Somewhere in the shed I have a circa 1930 General Electric (USA) lighting course manual which explains why lower voltage lamps of the same wattage produce a greater light output than higher voltage ones. It has tabulated data for, I think, 240V, 120V and 50V lamps. I'll see if I can dig it out and post a scan.
If this is the case then a 12V 21W bulb may suffice - of course I'd have to re-purpose a 12V DC power supply which (according to Ohm's Law) would only need to be 1.75A, or have I missed something obvious?
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Old 27th Apr 2024, 10:55 pm   #45
wd40addict
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Default Re: Cabin Slide Projector

I still think the original lamp is an A1/21 (240V version): overall length 76mm, light centre 34.5mm, diameter 25mm. How do these figures compare to your original?
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Old 28th Apr 2024, 1:36 pm   #46
seymour32
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Default Re: Cabin Slide Projector

Hi, there is a person on eBay selling A1/21 120v version for under £ 10 ( Japanese) or for £13 they have a branded version and quantity's of both , would need a suitable transformer
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