A fraud-proof liquid-dispensing stopper for all kinds of vessels
GB370869A
Improvements in methods and devices for the automatic manufacture of small capacity glass flagons, in particular serum ampoules
GB336460A
Improvements in or relating to methods and apparatus for contin uously drawing tubes and rods of fusible material, for example glass, which can be drawn out
GB337540A
Improvements in methods and apparatus for the manufacture of straight tubes made of a fusible material adapted to be drawn out, in particular to those for the manufacture of straight glass tubes
IE11916L
Drawing glass.
GB319361A
Method and apparatus for continuously drawing glass tubes or rods
IE11371L
Glass working.
GB304664A
Improvements in methods and apparatus for the manufacture of tubes made of a fusiblematerial which can be drawn out, in particular glass tubes
GB300646A
Improvements in methods and apparatus for the manufacture of tubes made of a fusiblematerial which can be drawn out, more particularly of glass tubes
GB269204A
Improvements in or relating to apparatus for forming flat bottoms on glass tubes
