connected photos on Flickr

The ancients were noted workers in copper and brass. In fact they knew some arts connected with working these metals that our modern scientists have been unable to discover. For example, we do not know today how to temper copper so it will make cutlery; but the ancients did this regularly. On the other hand, we have thousands of uses of copper that the early peoples never dreamed of. Today our telephone, telegraph, and cable systems depend on a core of copper wires to carry their messages. Our whole scheme of electric lighting, street cars transmission plants, electric railways, and our automobiles all call for copper.

One of the most famous copper mines in the world is the Calumet-Hecla in the upper peninsula of Michigan. Find Calumet. There is a large deposit of copper here in the old glaciated rocks. The remarkable thing about this deposit is that some of the copper is pure; that is, it is mined in large pieces of copper unmixed with other elements. The Indians knew of this copper for some of it cropped out on the surface. They worked it for some of their ornaments.

Now this vein is tapped by shafts, one of which is 5,700 feet long. Another taps the lode 2,543 feet below surface. Another shaft is 4,800 feet straight up and down.

The copper-bearing rock is drilled by machines, and blasted loose by dynamite. The mine is stoped; that is, cut into steps or ledges so it can be worked at different layers. These stopes are tapped by slanting chutes into which the rock is put. The rock slides down into the tram cars such as you see here.

What are the heavy timbers for? How would you like to work a mile underground?

Get Connected 2018 by Economic Board Utrecht

Op 11 oktober 2018 vond het Get Connected jaarcongres plaats.

Fotografie: Irene Vijfvinkel - zie-hier.nu/

Connected by PunkToad

Oakland Museum of California's VIVO: Days of the Dead

connected DSC05884 by William Gibson

connected by rob shum | IG: @visualrez

man browsing his phone while waiting for the bus

National Christmas Center Family Attraction & Museum 2024 - Middletown, Pennsylvania - JHM CREATIONZ by JHM CREATIONZ

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Live, Believe & Dream! See You There!

connected by Jordan Dossett

ARTIST NOTE: In hindsight it looks like more paths to me, but when created this piece was about how people intertwine and connect, about the ultimate connection: friendship.

Cisco Connected Life Event in Second Life by Text100

Pic from Cisco Systems Connected Life event in the virtual world of Second Life. From over 600 entries, 10 finalists were chosen. The grand prize entry was created so that participants could walk through a simulation of his vision for the future connected life.

Connected by LilyShewan

You have remembered who you are! You have connected with that part of yourself that you have long forgotten and realised your true worth and potential. Your angelic warrior meets your Sovereign self to take you down the golden road.....

Connected by TEDx Oradea