Appreciated again . . .I work hard to insure accuracy, or at least good percentage of seasoned experience.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...k_fullsize.jpgPump No. 1, Drydock No. 4, Norfolk Navy Yard, Portsmouth, Virginia. June 16th, 1919.
New plans added on 10/09: Click here for 2,501 plans for homemade tools.
greyhoundollie (Feb 7, 2020), Seedtick (Feb 6, 2020)
Fullsize image: https://diqn32j8nouaz.cloudfront.net...l_fullsize.jpgTwo workers standing on the platform of a crawler-mounted steam shovel excavator, one of the men is operating the levers. The bucket and dipper (dipper stick) are attached to the boom, which is connected to the rotating platform. In the background are railway lines, a large shed and a train engine pulling carriages inscribed with 'Bolsover'.
More: https://collections.museumvictoria.com.au/items/2058667
New plans added on 10/09: Click here for 2,501 plans for homemade tools.
Possibles?
https://en.wikipedia.org/wiki/Bolsover_Colliery_Company
The Victoria Au extra information about the photo says it is
Photograph - Ruston & Hornsby, Crawler-Mounted Steam Shovel, Lincoln, England, 1923
Unknown photographer
Source: Museums Victoria
Public Domain (Licensed as Public Domain Mark)
Boring mill machining revolving frame for large excavator. Milwaukee, Wisconsin. 1930s.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
New plans added on 10/09: Click here for 2,501 plans for homemade tools.
baja (May 3, 2020), Rikk (May 2, 2020), Seedtick (May 2, 2020), Toolmaker51 (May 3, 2020)
baja (May 10, 2020), Jon (May 4, 2020), Toolmaker51 (May 3, 2020)
Fullsize image: https://diqn32j8nouaz.cloudfront.net...s_fullsize.jpgBliss Toledo Toggle Press @ CVA/Kearney & Trecker, Brighton, East Sussex,England: about 30ft high, & with a Combined force of 1,090 tons.
New plans added on 10/09: Click here for 2,501 plans for homemade tools.
baja (May 10, 2020), jimfols (May 4, 2020), Toolmaker51 (May 5, 2020)
'Bliss Toledo Toggle Press'
That's like over 2 million pounds.
By relative size the prime mover looks like a toy.
Plus the lubrication system is really neat.
Here's a short story about the press.
https://www.mybrightonandhove.org.uk...trial_estate-4
Jim
baja (May 10, 2020)
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