US$ 306.80
a step up from the 70mm model with extended pole separation that gives field-mapping experiments more room along the magnet axis
each lens stowing into the housing for pocket-portable classroom
sized to demonstrate cathodic deposition and the coulometric form of Faraday's first law
5 mm inner profile
Life-size liver model with attached gall bladder shows hepatic lobes
Steel Folding Quadrat, 0.5m Square Length_75mm a step up from theBolt together folding quadrat of white coated steel rods, forming a half meter square for ecological field sampling and population count fieldwork.
US$ 306.80
US$ 56.74
US$ 124.74
US$ 1382.50
US$ 2929.22
US$ 3696.00
US$ 629.20
US$ 1152.00
US$ 1929.20
US$ 551.20
US$ 2064.72