Feild's Hydraulics Calculators

FEILD'S WHEEL

FEILD'S HYDRAULICS CALCULATORS

FOR GRAVITY FLOW IN PIPES

Feild’s

Hydraulics Calculators

   FOR GRAVITY FLOW IN PIPES

A four piece

circular slide rule

used to compute

gravity flow in pipes,

the original

"Feild's Wheel"

is based on the Manning formula and was

designed in 1950 by

James W. Feild.

 

FEATURES:
For pipes with diameters ranging from 4 through 72 inches, laid on slopes ranging from .04 through 10.0 feet per hundred.

 

Determines rates of flow, velocities and ratios of liquid depths to pipe diameter when the pipe is flowing less than full.

 

Scales for determining rates of flow in 3 units of measure:

--cubic feet per second

--thousand U.S. gallons per minute

--million U.S. gallons per day. 

Michael Brogan assumed 

the operation of

Feild's Hydraulics Calculators  in 2010.

He is the great-grandson of 
James W. Feild

and the son of

Ann Brogan,

who sold the calculators for many years. 
Sometimes referred to (incorrectly) as:
 "Fields Hydraulic Calculator" "Feilds Hydraulic Calculator
or
 "Field'sHydraulic Calculator".

To purchase a calculator, send a check or money order
payable to Feild's Hydraulics Calculators
to
Feild’s Hydraulics Calculators

 Michael M. Brogan

P.O. Box 100143

Arlington, VA 22210

 Click here for Order Form.

Price per calculator for orders for:
1-2 calculators     $29.00 each, 
3-9 calculators    $27.00 each,
      10 or more     $25.00 each.
(Quantity discount available with payment by separate checks, as long as all checks included with order and order mailed to single location.)

               Shipping within the U.S. and handling included in price.        
(First Class Mail or Parcel Post) 
For Priority Mail, add $15.00.
For Express Mail, add $30.00.
Call or email for International Shipping Rates.
Add 6% sales tax to orders delivered to Virginia locations.

Enclose check payable to Feild’s Hydraulics Calculators.

Advance payment only. 
No C.O.D. or credit card orders.


Orders packaged and shipped about once a month. 
Please allow 4-6 weeks for delivery. 

If a rush is required, please contact by phone or email.

 

Questions?  Contact Michael Brogan

michael@feildwheel.biz

(757) 620-9558 

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