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Author Topic: BTH rear lamp for late 1920 era.  (Read 1913 times)

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Offline arturro

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BTH rear lamp for late 1920 era.
« on: 13 Dec 2020 at 10:59 »
Dear All
I'm looking for photo how looks like BTH rear lamp in BTH motorcycle lighting set. Is anyone who have this rear lamp on bike?
I will be grateful for photos.

Best regards Artur






Images converted from tiff to jpg format. Tiff no longer supported by Chrome and Firefox browsers - Dave, 14 Dec 2020
« Last Edit: 13 Dec 2020 at 20:21 by Dave »
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Offline Dads bike

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Re: BTH rear lamp for late 1920 era.
« Reply #1 on: 13 Dec 2020 at 15:17 »
Good afternoon Artur
The Rudge owners club in the Uk reproduce a rear light that looks very similar. Described as 34E

Steve
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Offline chris mac

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Re: BTH rear lamp for late 1920 era.
« Reply #2 on: 13 Dec 2020 at 18:55 »
Pretty sure 34E is a Miller
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Offline Dave

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Re: BTH rear lamp for late 1920 era.
« Reply #3 on: 13 Dec 2020 at 20:24 »
Images converted from tiff to jpg format for those using Chrome or Firefox browsers and who couldn't see them before.
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Offline tck

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Re: BTH rear lamp for late 1920 era.
« Reply #4 on: 14 Dec 2020 at 08:49 »
Although a Firefox fan I was still able to view those images by clicking on the vacant space and hitting copy they would down load and I could see them by thaks for coverting them for those struggeling to evade Microsoft
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Offline arturro

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Re: BTH rear lamp for late 1920 era.
« Reply #5 on: 14 Dec 2020 at 08:55 »
Dear Gents

Thank you for information , but I'm want to know how looks like rear lamp BTH . Maby some one have old advert or photo on bike.
I will be grateful for any help.
I want to thanks for convertation from tiff to jpg format

Best regards Artur
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Offline Dads bike

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Re: BTH rear lamp for late 1920 era.
« Reply #6 on: 14 Dec 2020 at 21:28 »
Evening Artur
This the only pic I can find with the BTH lighting set attached to a machine, hope it is of some help.

Steve
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Offline arturro

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Re: BTH rear lamp for late 1920 era.
« Reply #7 on: 15 Dec 2020 at 07:13 »
HI Steve
What a beautiful Douglas outfit. Is this EW 600 cm3?

It help me a lot. Now I know what i have to looking for.

Stay safe for all
Best regards Artur
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Offline arturro

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Re: BTH rear lamp for late 1920 era.
« Reply #8 on: 15 Dec 2020 at 07:39 »
Last thing (I hope ) regarding BTH lighting set.

Is anybody who can help me how looks like charging resistance (resistor) I have only some parts (see photos),but incomplete.
 Maby someone have for sale this type resistor or can send some pictures .

I will be grateful for any news in this case.

Best regards Artur

« Last Edit: 15 Dec 2020 at 15:42 by Doug »
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Offline Dads bike

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Re: BTH rear lamp for late 1920 era.
« Reply #9 on: 15 Dec 2020 at 19:14 »
Evening Artur
I think what you are showing in your attachment is not the resistor! It looks like the remains of the cut out relay, that’s the item that disconnects the battery from the charge source once the battery if fully charged. The cut out is positioned on the frame rear down tube under the seat and behind the battery
The half charge resistor is a wire coil that is an integral part of the headlight switch. I have seen a picture of the rear of the light switch somewhere on the forum just cannot find it at the moment.

Steve
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Offline cycarmark

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Re: BTH rear lamp for late 1920 era.
« Reply #10 on: 15 Dec 2020 at 19:45 »
Here is a picture of the BTH cut out relay on my B29.





[Attachments converted to linked images. 25Nov21 -Doug, Admin]
« Last Edit: 27 Nov 2021 at 01:59 by Doug »
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Offline Dads bike

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Re: BTH rear lamp for late 1920 era.
« Reply #11 on: 15 Dec 2020 at 19:48 »
BTH in the search box and eventually found
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Offline Dads bike

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Re: BTH rear lamp for late 1920 era.
« Reply #12 on: 15 Dec 2020 at 19:51 »
And the switch half charge resistor
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Offline Alan

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Re: BTH rear lamp for late 1920 era.
« Reply #13 on: 16 Dec 2020 at 01:19 »
Not marked and probably not a BTH, but this 1 inch dia rear light of the period.
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Offline arturro

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Re: BTH rear lamp for late 1920 era.
« Reply #14 on: 16 Dec 2020 at 07:07 »
 Thank you,  thank you,  thank you for all of you who help me to understand this case.
Now all is clear for me.
Great to be here with support from others  :)

Stay safe , take care
Best regards Artur

 
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Offline arturro

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Re: BTH rear lamp for late 1920 era.
« Reply #15 on: 16 Dec 2020 at 09:55 »
Some additional information about BTH lighting set and diagrams for Douglas.

Best regards Artur



[Rotate image aspect ratio. 16Dec20. Doug, Site Moderator]
« Last Edit: 16 Dec 2020 at 14:14 by Doug »
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