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Swedish urnfield knife 2

Original
 
Found: Skåne, Sweden
Age: 1000-800BC

One of the typical finds associated with the urnfield culture, which started in the middle bronze age, is the often richly decorated bronze knives. These are also the earliest metal knives in Europe, and are the forerunners of all modern knives. Before this, the common cutting tool was the dagger with a symmetrical blade with two cutting edges.

Mould
 
Material: clay & sand, fired

The mould consists of two halves, which had first been dried for several days. I then cut the shape out of one of the mould halves. By pressing the two halves together, an imprint was left on the other mould halve, which was then cut out as well. Because this is a very small, and therefore difficult item to cast, I added air vents. This should reduce resistance from the air in the mould and make it easier for the bronze to enter the mould. On the photo, the mould can be seen after firing.
 

Casting result
 
Fine casting work like this is at the limit of what can be done with bronze, so I was expecting it would take several casts to get a complete knife. So the first casts were unsuccesful, but eventually I got a complete knife out of it.