Hi
I've just bought an old GPO spring-balance.
On the right-hand side the scale is in pounds 1 to 11 lbs
The left-hand scale is labelled 'D'
On this scale a
3 = 1lb
4 = 2lbs
5 = 3lbs
6 = 4lbs
6 = 5lbs
7 = 6lbs
7 = 7lbs
8 = 8lbs
9 = 9lbs
10 = 10lbs
11 = 11lbs
What are these D units referring to ?
Thanks
Sir P
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GPO Spring-balance markings
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Lounge Lizard
- EX ROYAL MAIL
- Posts: 9458
- Joined: 06 Aug 2007, 21:54
Re: GPO Spring-balance markings
d = old penny, 12 of which made a shilling, 240 of them to the £1 