concentrators

I watched the "concentrators" at work big tanks containing mud and water and invisible diamonds -- and was told that each could stir and churn and properly treat 300 car-loads of mud per day

Following the Equator Mark Twain 1872

I watched the "concentrators" at work big tanks containing mud and water and invisible diamonds -- and was told that each could stir and churn and properly treat 300 car-loads of mud per day

Following the Equator, Part 7 Mark Twain 1872

Nationwide, roughly 2 million people use home oxygen machines, mostly "concentrators" that make oxygen on the spot as long as electricity flows.

Starbulletin Headlines 2009

a few feet higher so as to get a good clear run for your tailings, and also to give you room to erect secondary treatment appliances, such as concentrators and amalgamators below your copper plates and blanket strakes.

Getting Gold: a practical treatise for prospectors, miners and students

"concentrators" that make oxygen on the spot as long as electricity flows.

Starbulletin Headlines 2009

"concentrators" that make oxygen on the spot as long as electricity flows.

Original Signal - Transmitting Buzz 2009

The facilities are tremendous concentrators of pathology and dysfunction. ...

DeMorning DeBonis: Jan. 6, 2010 Mike DeBonis 2011

At around the time that serious work would start on this mission, if all goes well, DARPA will have demonstrated a new technology in space called FAST which has the potential to provide significantly more solar power in space thru the use of concentrators.

NASA/ESA Focus On Outer Planet Missions - NASA Watch 2009

At around the time that serious work would start on this mission, if all goes well, DARPA will have demonstrated a new technology in space called FAST which has the potential to provide significantly more solar power in space thru the use of concentrators.

NASA/ESA Focus On Outer Planet Missions - NASA Watch 2009

Although it would take many years to build all this, it would start yielding returns as soon as the first solar concentrators were installed.

The Forgotten Piece of the Smart Grid: Energy Storage 2009