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Record Sash Clamps - what's all these numbers about

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Cletus

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Good morning folks. I have a few (pre-Irwin) Record sash clamps, and in trying to look up some info on them (usual bored, evening time Google searches), I realised that I don't understand the numbering on these things at all.

Looking at eBay there'll be 136/3 up to 136/11, with none of the numbers seeming to correspond to either total length, capacity between jaws, or anything else, really.

Can anybody here shed some light on this burning non-issue?
 

Bod

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136 is the style. 136 is the Tee bar version, 135, the straight version.
/3-/11 don't know as yet, maybe the number of adjustment holes?

Bod
 

Cletus

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Bod, thank you. One step closer to more random knowledge. I appreciate it
 

Cletus

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Andy T, fair play to you. Exactly the type of thing I was looking for. Much appreciated
 

SteveW1000

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There were four different style/ sizes of sash clamps. Two size bars in both ordinary and T bar styles. Somewhere I've a catalogue from the early seventies try to dig out.
 

AndyT

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SteveW1000":9fwid8yo said:
There were four different style/ sizes of sash clamps. Two size bars in both ordinary and T bar styles. Somewhere I've a catalogue from the early seventies try to dig out.
You're quite right - the range had shrunk considerably by 1986!

135 was the lighter weight plain section, 1 1'4" x 1/4" (32 x 6mm)
133 was similar but heavy duty 1 1/2" x 5/16" ( 38 x 8mm)

136 was lighter weight T-section 1 3/4" x 3/4" (45 x 19mm)
138 was similar but heavy duty 2 5/8" x 7/8" (67 x 23mm)

All included in this 1967 catalogue -

https://archive.org/details/RecordTools ... 7/page/n63

Were they all still there in your 70s list?
 

Hornbeam

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Interesting to look at 1986 prices compared with now. Considering how much everything else has gone up these havent moved that much but you do have to shop around
 
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