Standard Slide Rules


B.R.L (Blundell Rules Limited)


Blundell Rules Limited B.R.L originated in Luton Bedfordshire UK at the end of WWII, moving to Weymouth Dorset in January 1965. The company became Blundell-Harling in 1964.  It is still operating from the Weymouth premises today. Although the slide rule part of the exercise has now declined Blundell-Harling still produce drawing office materials and calculating disks.

BRL T50 BRL S143-10 BRL AL6 BRL 302 Log-Log