• Beard's Circulating Water Tank
    Beard's Circulating Water Tank
  • Webster's Revised Unabridged Dictionary
    • n Circulator One who, or that which, circulates.
    • ***

Additional illustrations & photos:

The Organs of Circulation The Organs of Circulation

Century Dictionary and Cyclopedia
  • Interesting fact: Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War
    • n circulator One who or that which circulates: specifically applied to a circulating decimal fraction. See decimal.
    • n circulator A juggler; a mountebank; one who goes about showing tricks.
    • n circulator A function of two whole numbers, a variable, q, and a period, a, of the form where aq, etc., are circulating elements, and A0, etc., are numerical coefficients. Also called circulating function.
    • ***


  • Robert Collier
    “All motion is cyclic. It circulates to the limits of its possibilities and then returns to its starting point.”
  • Arthur Baer
    Arthur Baer
    “A newspaper is a circulating library with high blood pressure.”
  • Guy Debord
    Guy Debord
    “Tourism, human circulation considered as consumption is fundamentally nothing more than the leisure of going to see what has become banal.”
  • Charles Horace Mayo
    Charles Horace Mayo
    “Worry affects the circulation, the heart, the glands, the whole nervous system. I have never known a man who died from over work, but many who died from doubt.”
  • Logan Pearsall Smith
    “The denunciation of the young is a necessary part of the hygiene of older people, and greatly assists the circulation of their blood.”


Webster's Revised Unabridged Dictionary
Cf. L. circulator, a peddler


In literature:

There was a fine clear sky overhead, not a breath of air was stirring, and my blood was soon in circulation.
"Dick Onslow" by W.H.G. Kingston
Circulation of the Blood.
"A Treatise on Domestic Economy" by Catherine Esther Beecher
These regulations were printed and circulated among the managers of the Kitchens.
"Woman's Work in the Civil War" by Linus Pierpont Brockett
Of the Breckenridge pamphlet she printed and circulated 50,000, which went off, as Hon.
"A Military Genius" by Sarah Ellen Blackwell
Even in cities, however, one may have open windows and greater circulation of air than is common.
"How to Add Ten Years to your Life and to Double Its Satisfactions" by S. S. Curry
Our circulation sometimes reached 150,000.
"Memoirs" by Charles Godfrey Leland
They evidently belonged to a high class of society, and all sorts of stories were circulated about them.
"The Expressman and the Detective" by Allan Pinkerton
We hastily carried him under the shelter of a rock and rubbed him vigorously, in the hope of restoring his circulation.
"In the Forbidden Land" by Arnold Henry Savage Landor
This circulation should be limited to a period much shorter than is allowed for keeping books.
"A Book for All Readers" by Ainsworth Rand Spofford
A constant and thorough circulation of water throughout the boiler, so as to maintain all parts at the same temperature.
"Steam, Its Generation and Use" by Babcock & Wilcox Co.

In poetry:

His despair seems to detain him like a pillory
As he lowers his anemic head in rowing,
He circulates among the boats at anchor,
Cargo-boats, steamers, coal-burners...
"Japan —Nagasaki" by Henry Jean-Marie Levet

In news:

Fans circulate conditioned air around home.
Lawmaker circulates proposal to hold attorney general in contempt of Congress .
Since Initiative 502 was voted into law, confusion and misguided rumors have circulated throughout Washington as to what's legal.
The study highlights the importance of monitoring and improving measurement of the Sun's meridional circulation.
COOLANT — A mixture of water and antifreeze circulates inside the engine and radiator.
Isaac's remnant circulation will drift northward into the middle Mississippi Valley by Saturday, then turn eastward across the lower Midwest during the weekend, according to the USDA's Joint Ag Weather Facility.
Now, I rarely read the sappy e-tales that circulate in cyberspace.
FCC Circulates Item Allowing Dish to Deliver Terrestrial Cell Service.
I am writing to clarify some widely-circulated misrepresentations concerning the re-scheduling of Informativo Pacifica on KPFK Radio.
Tropical Depression Five has weakened a bit overnight due to high wind shear north of its center of circulation.
Divestment petitions are circulating at colleges around the country, especially at liberal Northeastern colleges such as Vassar, Harvard, Brown and the University of Vermont.
Photo submitted Photo that Vero Beach police circulated of the man they said stole a wallet from Maryland Fried Chicken earlier this month.
Citing concerns over an email that's been circulating containing inaccurate voting information, the League of Women Voters of New Jersey is putting the word out that the state's voting laws haven't changed.
Jonathan Coors' face and phone number appeared on TV recently, plastered in a commercial linking the 28-year-old brewery heir to petition circulators convicted of crimes ranging from forgery to stalking.
A new traffic pattern at New York and Florida avenues NE is intended to improve circulation and safety, but it is the bane of commuters and GPS devices.

In science:

The recirculation/purification system, circulating about 5 liters of LAr/hour allowed to increase this value to more than 8 ms in three weeks (see Fig. 3.5).
Study of accelerator neutrino interactions in a liquid argon TPC
The total Argon consumption necessary to circulate the pure liquefied gas and to compensate for the heat losses was ∼ 200 liters per day.
Study of accelerator neutrino interactions in a liquid argon TPC
Limiting spectral distribution of a special circulant.
On the spectral norm of a random Toeplitz matrix
Toeplitz matrices and circulant matrices. J.
On the spectral norm of a random Toeplitz matrix
This implies that only the indeterminates corresponding to the circulant submatrix of M can be among the variables associated to the minimal prime.
Gaussian conditional independence relations have no finite complete characterization