These Plane Spherical Mirrors are made of optically true glass with scratch resistant copper back silvering.
These Utility Funnels have eight internal ribs to facilitate filtration and are made of polypropylene. Features a 30mm long stem.
The PCH Series High Form Porcelain Crucibles are very good quality porcelain crucibles, made to withstand temperatures up to 1150`C. Lids included.