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"Figure 4 - egg-drills, different sizes. Steel implements with a sharp-pointed conical head of rasping surface, and a slender shaft; several such, of different sizes, are needed" Elliot Coues, 1884

Egg Drills are Special Tools Used for Preparing and Blowing Eggs

"Figure 4 - egg-drills, different sizes. Steel implements with a sharp-pointed conical head of rasping…