Optical Bench Accessories Object Needle for Educational Laboratory.
Product Code:
Optical-P0027
Description:
Optical Bench Accessories Object Needle A pointed needle, mounted on a 6 mm brass rod, giving an overall height of 80 mm
A
pointed needle, mounted on a 6 mm brass rod, giving an overall height
of 80 mm - See more at:
http://www.aticoexport.com/products/optical-bench-accessories-object-needle/#sthash.MyQM0n75.dpuf