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High freezing efficiency Ice raft can be set according to different temperature storage time demands
LCD display
this ear model is built to withstand repeated use in educational settings
providing accurate motion tracking
Bell in Vacuum High freezing efficiency Ice raftBell (Vacuum) Jar with stand base and with Electric Bell This apparatus usually used in combination with a pump to demonstrate that non transmission of sound in a vacuum. The apparatus content the metal base, the bell jar, and the bell. Bell jar dimensions: 250mm height, 180mm diameter
US$ 34.99
US$ 31.09
US$ 24.99
US$ 17325.00
US$ 74.99
