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Went to collect a Evershed’s megger locally from you know where for 99p
The guy offerd me this for free so I had to have it
Nalder Bros & Thompson LTD London test set
In its A.M. case complete with RAF label
Any one any info on this company and there products
Please
Topic starter
Posted : 03/02/2014 10:54 am
It looks like you are going to have to find a nice big Variac and isolating transformer to go with that lovely set.
It sure is a nice find and I bet the calibration is going to be good too.
Well done 
Posted : 03/02/2014 8:28 pm
Hi Gents, Nalders were bought out by Reyrolle in the 60's, having been one of Reyrolle's main suppliers of switchboard instruments. Production was transferred to Hepburn in the late 60's from Dalston Lane. It was one of my first projects as a young engineer.
Ed
Posted : 04/02/2014 12:20 pm