UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

PJL · 5th Dec 2017, 1:42 pm

Bending could be from manufacturing defects when the pinch is made, failure of welds, warping/relaxation due to heat or being dropped. Heating and slow cooling would soften many metals.

5th Dec 2017, 1:42 pm	#39
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: Care of Rare Valves Bending could be from manufacturing defects when the pinch is made, failure of welds, warping/relaxation due to heat or being dropped. Heating and slow cooling would soften many metals.