The first, of square form with gladiator riding in horse-drawn chariot in front of radiant sun; the second and third, of circular form with signs of the zodiac, one titled "Know Thyself" and the other with phrase, "Ye are born under a good star if ye know ye self"; and the fourth, of rectangular form, entitled, "Halley's Comet Sun Dial" with shooting star gnomon, all signed by the artist.