Usage examples for D3

  1. In this nebula Copeland detected the wonderful D3 line of helium at a time when " helium" was a mere name, a hypothetical something, but which we now know to be an element very widely distributed through the universe. – The Story of the Heavens by Robert Stawell Ball
  2. Mr D3 of whom I may perhaps hereafter have much to say to you is arrivd with the Sieur Gerard. – The Original Writings of Samuel Adams, Volume 4 by Samuel Adams