Bear in mind that ivory is permeable and reasonably soft, aspects tending to make it agreement or shrink in cold and broaden in heat. The mix of temperature levels, in addition to soaking and drying out, can result in the…
Bear in mind that ivory is permeable and reasonably soft, aspects tending to make it agreement or shrink in cold and broaden in heat. The mix of temperature levels, in addition to soaking and drying out, can result in the…