Magnetic Map Compass, Size: 2-1/2inx5-1/2in (60x140mm), for overhead projection, Compact 2in (50mm) diameter compass is graduated from 0 deg to 360 deg in 2 deg increments, has a liquid-filled capsule. For reading of topographical and tourist maps.
Filter Paper 125 mm Grade 3 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Filter Paper 125 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
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