Pump Drills

In preparation for summer teaching I recently spent some time making a couple new pump drills for demonstrations and hands-on activities.  While some modern tools were used in the production, these are entirely hand-made with no purchased parts or plans.  As I have only made two of these previously I spent a little time perusing … Continue reading Pump Drills

A Couple More Medieval Tools

When I say Medieval... The pump drill goes way back in time.  At least into Dynastic Egypt and probably well beyond.  Drills like these are made from perishable materials so we only have the drill bits and generally do not know to what they were attached.  From and archaeological point of view, it's a bit … Continue reading A Couple More Medieval Tools