2020 DONOVAN MILL PROJECTS

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Donovan Mill Project Progress

March 14, 2020 – December 1, 2020. Volunteers were John Ollson, Mark Perkins, Russ Wright, Jeff Goldsworthy, Lee Brunell, Larry Radford, Bob Chambers, Greg and Lisa Jayne, Don and Elaine Bergstrom. Approximately 4,500 volunteer hours were logged!

The dies for battery #4 were provided by Millwright Charlie Connell, Phoenix, AZ.  Machinist Garrett Ulmer, Moundhouse, tapered one end of the dies so they would fit into the bottom of the battered mortar box. 

The retaining wall between office vault and main mill was constructed by Don and Elaine.

The Machine Shop blacksmithing equipment: lathe, drill press, hack saw and trip hammer are now operating via belts driven by the main line shaft. Work was done mainly with the skillful hands of John & Mark.

Secondary line shaft operates the trip hammer.

Drill press installed on north wall of machine shop.

 

John installs pulley and belt on main line shaft to drive secondary line shaft.

Mark fabricating bolts for machine shop equipment.

Hood for forge was donated by the Arizona Mining Museum.  Everyone had a hand with stove pipe installation!

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Masonry work for the forge foundation was completed by Greg with Lisa.

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Service Concentrating Table from the Clack Mill is being restored and is nearing completion.  Rich Brook, Silver Springs Mining Equipment, installed EPDM surface and riffles.  The photo below is of the table in its original location at the Clack Mill. 

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Russ did the majority of the work on the service concentrating table.

 

Greg and Lisa restored brickwork on mercury retort south of the refinery.  Read the article by Lisa on the Comstock Foundation website submitted to the American Spirit, newsletter of the Daughters of the American Revolution (DAR). 

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Restoration of the building structure holding the crusher, ore bin, and grizzly is completed. Many days & many hands:  Bob, Russ, Larry, Don and Elaine!

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Rotted timbers under the crusher ore bin structure were replaced with new 12 x 12  columns and 6 x 6 cross members. Corrugated metal siding was re-installed.

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12 x 24 Jaw Crusher and 40HP electric motor.

Larry pans ore from the ore bin above the jaw crusher. He will keep his day job!

Greg and Lisa reconstructed and re-pointed rock wall in ‘root cellar’. The rock wall may be an original foundation from the 1860 Kelsey Mill!

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