The University of Massachusetts Amherst Glassblowing Laboratory is an indispensable part of any modern research team and a core facility within College of Natural Sciences operations. 

The mission of the glassblowing laboratory is to provide high quality, affordably priced standard and non–standard items, glassware modifications, repairs and custom designs for instructional and research needs. The lab works closely with individuals in the design, fabrication and repair of specialty scientific glass instruments.  

The lab has the capacity to work with all types of glass, including borosilicate, quartz, aluminosilicate, and soft glass. The shop is fully equipped with annealing ovens, lathes, diamond saw, lapping wheel, and a variety of torches. Some glass parts and tubing are kept in stock to keep turnaround time to a minimum. 

The glassblowing laboratory is run by Sally Prasch, a veteran laboratory glassblower with more than 40 years of experience. Please come by and see what the glassblowing laboratory can do for you.  The shop is now open on Thursdays and Fridays from 9:00 a.m. - 4:00 p.m. with basic services available on a walk-in basis. Service requests can be made at any time via email to Sally Prasch.

You may also use the order form: Glassblowing order form



Lab location

Lederle Graduate Research Center (LowriseRoom A19  
740 N. Pleasant Street, Amherst, MA 01003-9306 
Phone: 413-545-2185 

Directions to the Glassblowing Lab

For questions related to the operation of the facility, please contact Patti Cromack (

Sally Prasch working with glass in flame

Photo credits: Top image: Benjamin Tan. Bottom image: Melanie Ayer.