pinch seal The method of sealing the glass envelope of a lamp, usually at the point where one or more of the electrical leads enter the envelope. This page has been seen 393 times. Created by DaveySimps on Aug 12, 2013
The method of sealing the glass envelope of a lamp, usually at the point where one or more of the electrical leads enter the envelope. This page has been seen 393 times. Created by DaveySimps on Aug 12, 2013
