Print › Planetx.pH. (Code 10) from Pathway Series, 1987 Image 1 of 1 Planetx.pH. (Code 10) from Pathway Series, 1987 CHF 0.00 sold out by Roman VerostkoDated: October 1, 1987Multi-pen plotter drawing on paper22 ½ x 24 inches Sold Out Added! by Roman VerostkoDated: October 1, 1987Multi-pen plotter drawing on paper22 ½ x 24 inches