One-third full vial Small 320×218 Medium 640×437 Large 1024×698 Download Tiff Original 2400×1637 | (1.1 MB) Description A vial, approximately one third full of a dark granular substance, with a cork stopper. Keywords chemistry, sand, soil, stopper, vial Galleries Chemistry Apparatus Source: G. F. Warren, Elements of Agriculture (London, MacMillan and Co., Ltd., 1913) 77
