APPENDIX C

325

"l. Viscosity.—Viscosity shall be determined by means of the
Saybolt Standard Universal Viscosimeter.

"2. Apparatus.—(a) The Saybolt Standard Universal Viscos-

Sectional View

of
Standard Oil Tube.

A Oil Tube Thermometer.

B Bafh Thermometer.

C Electric. Heafer.

Q Turntable Cover.

£ Overflow Cup,

F Turn fable Handles.

6 Steam Inlet or Outlet.

H Steam U-Tvbe.

•J Standard Oil Tube.

K Stirring Paddles.

L Bath Vessel.

M Elecfric Heafer Receptacle.

N Outlet Cork Stopper..

P Gas Burner.

Q Strainer.

R Receiving Ffask. \

S Base Block.

T Tube Cleaning Plunger.

FIG. 96.—The Saybolt Universal Viscometer.
imeter (see Fig. 96) is made entirely of metal. The standard oil
tube J is fitted at the top with an overflow cup E, and the tube is
surrounded by a bath L. At the bottom of the standard oil tube
is a small outlet tube through which the oil to be tested flows
into a receiving flask Ry whose capacity to a mark on its neck is