Heatheryknowe Patent Glasgow brick found in San Jose, California

Photographed by Ian McFadyen at English Camp in Almaden Quicksilver Park in San Jose, California.

Ian states ” It likely was ballast on a ship coming around Cape Horn to collect mercury (quicksilver) from the mine at New Almaden. The mercury mine at New Almaden (just south of San Jose, California) was the most productive mine in California – more profitable than any gold mine.

There was a large building (Casa Grande) built in New Almaden using all the bricks that were shipped in as ballast on ships. The mine stopped operating in the mid-1970s. By the time I got here in the 1980s there was a big pile of old bricks in the park. As they “improved” the park, they removed all the old bricks and ended up building a nice path with new bricks – there is one last Heatheryknowe brick in the path.”


Heatheryknowe brick california


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