The surface tension was determined by comparing the shape of the drop hanging from a syringe to the Young–Laplace equation. A capillary tip of 0.71 mm outside diameter was used, producing drops ...

Alexander Alfred Day, William Merriott Gibbs, Surface Tension in Relation to Bacterial Growth: With Special Reference to Lactobacillus Acidophilus and Lactobacillus Bulgaricus, The Journal of ...