Test Tube Stand Pack Of 12 by labpro antique bunsen burner Fine adjustment is by means
Yard notes & kiln story
Description
Test Tube Stand Pack Of 12 by labpro antique bunsen burner Fine adjustment is by means Fine adjustment is by means of the fine screw thread with large dia knurled head at the end of each side and ease of use make it an indispensable instrument for professionals and amateurs alike