ZYGLO
								EQUIPMENT-NAMELY, TANK FOR HOLDING A LIQUID PENETRANT, A TANK FOR HOLDING A LIQUID EMULSIFYING AGENT, A VESSEL FOR CONTAINING A DRY DEVELOPER POWDER, DRAIN BOARDS ASSOCIATED WITH SAID TANKS, AND BLACK LIGHT INSPECTION BOOTHS SOLD AS A UNIT, FOR THE TESTING OF ARTICLES FOR SURFACE FLAWS AND DEFECTS
                                Expired  ·  February 10, 1954  ·  71660876  ·