Perfect for any style alcohol lamp, this stand can be used in two different height levels (9 or 13 cm) by simply removing the wire gauze top, turning ...
A simpler version of the Advanced Pulley Demonstration Set, this model includes eight single pulleys and two double sheave pulleys in addition to EISC...
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the compositi...
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the compositi...