Published online by Cambridge University Press: 20 January 2017
Ultrasonic cleaning, a technique of wide industrial application, is suggested as applicable to archaeological artifacts. Speed and superior cleanliness ought to be its principal merits. A review of various ultrasonic methods and some pilot tests reveal an incapacity to handle large quantities of dirt. Preliminary cleaning may solve this problem. Two direct mechanical methods of ultrasonic cleaning are proposed as they offer simplicity, ruggedness, economy, and field adaptability.