Pocket Reference Natural Gemstone Card with 12 Identified Specimens, 1cm Each Lab Equipment_Water Baths 27mm diameter

27mm diameter

running on 3-6V DC to illustrate both motor and generator operation

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

Long-stem receiver delivery adapter in borosilicate glass features 14/23 socket for distillation collection and extended chemistry apparatus assembly

625 inches thick in a cast bracket on a rubber-footed wooden base

Pocket Reference Natural Gemstone Card with 12 Identified Specimens, 1cm Each Lab Equipment_Water Baths 27mm diameterTwelve 1cm identified gemstone specimens mount on a pocket reference card for on the go gemology identification practice in classrooms or field trips.