Scalpels

Catalogue No. 4011830

For demonstrating and measuring the oxygen uptake in respiring material, germinating seeds. Bulbed glass vessel graduated 75 to 100 x 1ml. with levelling tube. Complete with stand.

Catalogue No. 4011600/2

A. Withoutwax
B. Withwax
Size : 12 x 8 inches

Catalogue No. 4011500/1

Selected soft wood in one piece. Pin can be easily pressed with the help of hand only. The frame edge 17mm deep with linseed oil protection.
Length 450 x Width 300 mm