https://www.amazon.co.uk/Laboratory-Scientific-Glassblowing-Practical-Training/dp/1786342421/ref=sr_1_7?s=books&ie=UTF8&qid=1491977882&sr=1-7&keywords=glassblowing
Check this out. Launched planned on 7th June. I admit to being biased since I have written a chapter. Not many books around on scientific glassblowing so bound to be a best seller!!
Hope all well
Ian
looks good!
Impressive!