Early B helmet Looms Type E and Type 19

Early B helmet Looms Type E and Type 19

Joined: September 8th, 2004, 10:02 pm

December 8th, 2009, 6:49 am #1

I was documenting some A.M. looms for B type Helmets and D type masks and thought I'd share info on these rare looms for E Carbon and Type 19 mics.
This will help identify a loom for which mic, plug etc.
Note: Type 18 mic not shown but I show the 3 way leads on last photo. C-carbon mic is a two way, hence loom diameter is smaller.
Note also, strangely the receivers on each loom differs. Wires join receiver above A crown M on one and below A crown M on t'other!
Cheers
Neil

MICROPHONE, MASK, TYPE E Stores Ref: 10A/9003

Type C carbon microphone made up of two parts - Microphone/switch: stores ref 10A/7355 and microphone shell: stores ref 10A/9004.
Receivers (2) - stores ref 10A/7036, Bakelite molded exterior over steel cup. Screw on speaker cap, stores ref marked on inside: 10A/2265.
Celluloid disc stores ref: 10A/7066.
Steel disc stores ref ?
Bell Plug type 58 - stores ref marked along plug body: 10A/7836.
Loom cord, type F stores ref: 10A/7835. Main cord size: 5/16th Inch Diameter.

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MICROPHONE, ELECTRO-MAGNETIC TYPE 19 Stores Ref: 10A/10989

Type 18 Electro-magnetic microphone: stores ref 10A/10990.
Receivers (2) - stores ref 10A/7036, Bakelite molded exterior over steel cup. Screw on speaker cap, stores ref marked on inside: 10A/2265.
Celluloid disc stores ref: 10A/7066.
Steel disc stores ref ?
Bell Plug type 119 - stores ref marked around plug body: 10A/10991.
Loom cord, type Q stores ref: 10A/10353. Main cord size: 3/8th Inch Diameter.

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Joined: February 28th, 2004, 3:00 pm

December 8th, 2009, 11:01 am #2

Neil, a great post, interesting and useful, not to mention the great photos too.

Couple of points, the steel disc in mine is stores ref 10A/12444 (although this might be a later set from a pair of 'C Type' receivers).

Also you have the receivers down as 'Receivers (2) - stores ref 10A/7036', I think you mean 10A/7063 (last numbers transposed?). I wonder if the hole for the cale entering above and below the 'AM' was simply a manufacturing thing, different manufacturers moulding the letters one way or the other, with no specific instructions?

Interesting to know about the different loom for the C carbon mic though. I just changed the loom on my Type 19 from a choc brown one to a tan one. Can send pics if you need them?
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Joined: September 8th, 2004, 10:02 pm

December 8th, 2009, 1:32 pm #3

Thanks for the correction Alex!
That's what I get for staying up late!
Thanks for your comments.
Yes, please do post photos of your Type 19 loom. It is always good to make comparisons etc.
I had meant to mention that the Type Q loom (Type 19), could be converted for use with the C carbon mic. Instructions in the AP state that the ground wire should be bound and tied against the loom as it is not used.
Cheers
Neil
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Joined: July 21st, 2008, 7:16 pm

December 8th, 2009, 5:42 pm #4

Neil,  that is really interesting. So if one were to buy a loom, how could you tell what type it is without doing measurements or anything....?
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Joined: September 8th, 2004, 10:02 pm

December 8th, 2009, 7:01 pm #5

Hi Ben,
This is tricky actually.
The early looms tended to be single coloured braiding as in my photos. They came in a number of shades. Straw (as in the photos), dark purple, and tan and maybe more.
From 1941 a fleck started to appear. I've only seen a pink coloured fleck.
As for the wiring - if there's no bell plug or microphone, you can identify the loom as the early E-carbon Type F loom will only have 2 leads for the C carbon mic.
The Type Q loom for the Type 19 mic will have 3 leads for the mic. I'll have to read up, but I think the Type Q loom was used for the Type 21 mic also.
I hope that helps.
Neil
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Joined: September 7th, 2008, 5:53 am

December 11th, 2009, 6:01 am #6

Thanks Neil and everybody else for sorting this. Down to the basement now for comparisons....

theotherChris
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Joined: September 8th, 2004, 10:02 pm

December 11th, 2009, 3:25 pm #7

Hi Chris,
I'm glad you can make use of it.
By the way - from a previous post regarding microphones, I think I owe you some gen. You requested copies?
I will forward you the info.
Cheers
Neil
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Joined: September 7th, 2008, 5:53 am

December 12th, 2009, 7:45 am #8

terrific. email addy is upper right....
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Joined: February 28th, 2004, 3:00 pm

December 14th, 2009, 3:25 pm #9

This looks like an early loom, with two core main cable...

http://cgi.ebay.co.uk/WW2-RAF-Battle-of ... 4a9cefad2d
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Joined: July 21st, 2008, 7:16 pm

December 14th, 2009, 4:11 pm #10

Hmmm, I always thought early looms had rounded cords...?
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