'Soft' Borosilicate Glass -- An Update; A Conversation with Jeffrey Spencer, Lampworker

Title: 
'Soft' Borosilicate Glass -- An Update; A Conversation with Jeffrey Spencer, Lampworker
Author/Artist: 
Mickelsen, Robert A.
Published In: 
v. 10, no. 3, Oct./Nov. 1996, pp. 12-17+. Glass Line
Subjects: 
Bib ID: 
AI3175