tinpan
Silver Member
Hi all . Well you poor bunch of critters having to endure me for 8 years . Well at this end of the world ,spring has sprung quickly and the temperature rises quickly by the day. Yep solar -powered just like superman . Plenty of new sites this season and away we go.
Engine shed of "Harkness" Triple Expansion Engine . These Engines were made by local foundries around 1890 and 1900 to power air compressors or Cornish beam pumps. Exhaust blast from a high pressure cylinder was used into a medium cylinder .Its exhaust went into a large low pressure cylinder.
The Harkness engine shed which i hunted this week was at a Gold mine known as the "Pioneer"The Pioneer Mine started in 1866 and closed in 1938 . 140,000 ozs of gold was recovered .Main shaft depth was 3700 feet with 24 levels. A large quartz stamper battery stood behind the mine. The second largest in the area. 108 stampers ,each with 4 1200 pound hammers.
From an old photo and accounts of the time the site managers office was the building to the far right in the photo posted. Easy to locate as the red clay bricks still lay in pieces where the chimneys once stood. Amongst the regrowth trees and ore heaps scattered every where was quite a bit of hard work. Plenty of nails and pieces of small tin. Odd larger pieces of cast iron from what was not reclaimed when the site was cleared.
With a workforce of 120 miners ,4 engine drivers 12 hammer yard labourers and another 14 working in the battery i figured there had to be a few drops around the the Mine managers office. Often shift paper work and pays and incoming accounts and deliveries were sent here first. After a morning of little luck i went home for some lunch. Yes i know a Gpx is not really a relic machine but get use to flat sound of long drag induction delay of iron. Once you get a closer and more aggressive sound you know the odds go your way. Copper ,brass, lead and then gold as the most aggressive. Not so lucky with gold today. But a first for me .A large penny which some-one has made into a pendant. The penny dates from 1902 . The only other find is a 2 oz weight stamped and counter stamped with government issue. ?
tinpan
Engine shed of "Harkness" Triple Expansion Engine . These Engines were made by local foundries around 1890 and 1900 to power air compressors or Cornish beam pumps. Exhaust blast from a high pressure cylinder was used into a medium cylinder .Its exhaust went into a large low pressure cylinder.
The Harkness engine shed which i hunted this week was at a Gold mine known as the "Pioneer"The Pioneer Mine started in 1866 and closed in 1938 . 140,000 ozs of gold was recovered .Main shaft depth was 3700 feet with 24 levels. A large quartz stamper battery stood behind the mine. The second largest in the area. 108 stampers ,each with 4 1200 pound hammers.
From an old photo and accounts of the time the site managers office was the building to the far right in the photo posted. Easy to locate as the red clay bricks still lay in pieces where the chimneys once stood. Amongst the regrowth trees and ore heaps scattered every where was quite a bit of hard work. Plenty of nails and pieces of small tin. Odd larger pieces of cast iron from what was not reclaimed when the site was cleared.
With a workforce of 120 miners ,4 engine drivers 12 hammer yard labourers and another 14 working in the battery i figured there had to be a few drops around the the Mine managers office. Often shift paper work and pays and incoming accounts and deliveries were sent here first. After a morning of little luck i went home for some lunch. Yes i know a Gpx is not really a relic machine but get use to flat sound of long drag induction delay of iron. Once you get a closer and more aggressive sound you know the odds go your way. Copper ,brass, lead and then gold as the most aggressive. Not so lucky with gold today. But a first for me .A large penny which some-one has made into a pendant. The penny dates from 1902 . The only other find is a 2 oz weight stamped and counter stamped with government issue. ?
tinpan
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