379
RETRACTION CHAINS.
TENSILE TESTS OF CHAINS.
Samples 5 feet long each.
BALTIMORE CHAIN (BRADLEE & CO., MAKERS).
	Tensile strength.
From one end						Pounds. 23,900 28,750 4L	
From other end		
	
WATERTOWN ARSENAL CHAIN.
From one end		
From other end		
	
Samples 5 feet long each, from near middle of length of chains.
No. 10308.
	Tensile strength.
Baltimore chain (Bradlee & Co.)		Pounds. 24,380 28,890
Do		
	
No. 10309.
30, •180 29,690
Watertown Arsenal chain. Do....................