Empirical Glass (Western Australia) Beaker with coloured restriction (single hole) slide & gridded downstem,

16.1cm 18mm to 14mm coloured, gridded (diffused + open end) downstem with a matching single hole restriction slide featuring a dichro marble.

Artist:  Empirical Glass

Made in:  Western Australia

Height: 35cm

Mouthpiece: 35mm ID.  52mm OD

Glass thickness:  5mm

Base width:  128mm

Percs:  n/a

Stem size & length:  18/14 gridded 16.1cm downstem

Bowl size:  14mm male restriction slide w/ dichro marble

Glass info:  American colour.  German glass joints.