Usage examples for A2

  1. 9, a, a1 and a2, show the stages by which this form of internal seal is made. – A Handbook of Laboratory Glass-Blowing by Bernard D. Bolas
  2. It is thus clear that the rays a1, a2, a3, a4 cut out two projective point- rows on any two lines of the system. – An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman
  3. A2 Large Plate Bevel Gear, usually 120 Teeth. – Illustrated Catalogue of Cotton Machinery by Howard & Bullough American Machine Company, Ltd.