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3,300 Volt DOL (dirrect on line starter) for Harland pumps that pumped salt water from the Levant section of the mine 1200' up to adit (drainage) level that ran out to the base of the cliffs just above high tide level.
(Bob Orchard taking pumping hours readings just prior to the pumps being switched off to allow the mine to flood. (Which took almost 3 years to the day)
Slimes dipper wheel ~ Tolgus Tin.
Used to elevate slimes tailings (waste) so that the slimes slurry can flow by gravity away from the mill & settle in the slimes ponds . (Circa 1978)
Stacking iron sands tailings at Waikato North Head Minesite, one of two tailings guns at the end of a pipe line from the processing plant. There are two identical plants (A & B plant, & the tailings (waste) is pumped through 3 pumps in series to the tailings guns. (By now there may be 4 pumps in series in each pipe line)
The last two people to ride up in the cage from 15 level to surface were Eric Gale (Shaft Master) & Bob Orchard (Chief Engineer). The cage was then put on the keps (or chairs) to block the shaft & the Victory winding engine was shut down.
When arriving at surface a radio journalist thrust a microphone in my face & asked me how I felt...To which I produced a pair of pliers from my pocket & cut the wire of the microphone!!!
Cutting square threaded spindle for new sluice gate to be installed at the Tolgarrick plant.
This lathe was in regular use up untill circa 1981
(Bob Orchard Foreman engineer)
(Clifford Shaw & Morely Bonner engineers)
(Archie Churgwin ~ carpenter / builder)
Most staff latter worked at Cornish tin & Engineering Ltd after Tolgus Closed after being purchased by Wendron Forge)
70' Dia Thickener at Geevor Tin Mine. Designed by R.O Stokes. Used to settle out fine particles (also dosed with "Magnafloc" to accelerate the settling process), at the "Slimes plant (known localy as Wembbly")
Revolving rakes slowly scraped the settled "slimes" to the centre, while the supernatent over-flowd the circular perimiter & was recycled into the mines process water.
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xanthate's conversations
We were some of the last tourists to go down to 15 level in Geevor. It was really sad. Great to see the photos.
This one is a giant, compared to the little husbandman on my page!
Geevor Tin Mine ~ 15 Level pump chamber.
3,300 Volt DOL (dirrect on line starter) for Harland pumps that pumped salt water from the Levant section of the mine 1200' up to adit (drainage) level that ran out to the base of the cliffs just above high tide level.
(Bob Orchard taking pumping hours readings just prior to the pumps being switched off to allow the mine to flood. (Which took almost 3 years to the day)
Slimes dipper wheel ~ Tolgus Tin. Used to elevate slimes tailings (waste) so that the slimes slurry can flow by gravity away from the mill & settle in the slimes ponds . (Circa 1978)
Stacking iron sands tailings at Waikato North Head Minesite, one of two tailings guns at the end of a pipe line from the processing plant. There are two identical plants (A & B plant, & the tailings (waste) is pumped through 3 pumps in series to the tailings guns. (By now there may be 4 pumps in series in each pipe line)
The last two people to ride up in the cage from 15 level to surface were Eric Gale (Shaft Master) & Bob Orchard (Chief Engineer). The cage was then put on the keps (or chairs) to block the shaft & the Victory winding engine was shut down.
When arriving at surface a radio journalist thrust a microphone in my face & asked me how I felt...To which I produced a pair of pliers from my pocket & cut the wire of the microphone!!!
Cutting square threaded spindle for new sluice gate to be installed at the Tolgarrick plant. This lathe was in regular use up untill circa 1981 (Bob Orchard Foreman engineer) (Clifford Shaw & Morely Bonner engineers) (Archie Churgwin ~ carpenter / builder)
Most staff latter worked at Cornish tin & Engineering Ltd after Tolgus Closed after being purchased by Wendron Forge)
Tin ore froth flotation at Cornish Tin & Engineering Ltd. Tuckingmill. Final cleaner circuit (later up graded for increased capacity) (Circa 1983)
70' Dia Thickener at Geevor Tin Mine. Designed by R.O Stokes. Used to settle out fine particles (also dosed with "Magnafloc" to accelerate the settling process), at the "Slimes plant (known localy as Wembbly") Revolving rakes slowly scraped the settled "slimes" to the centre, while the supernatent over-flowd the circular perimiter & was recycled into the mines process water.
LEVANT SKIP SHAFT SIGNAL BOARD (Circa 1976)