DECIMAL CLASSIFICATION 
532 
I 
wk 
32 
83 
84 
85 
9 
533 
Liquids Hydrostatics Hydraulics 
Properties of liquids Pressure 
Equilibrium of liquids 
Buoyant effects Floating bodies 
Specific gravity Hydrometer 
Liquids in motion Hydrodynamics 
Theoretic flow 
Orifises, adjutages, fluid vein 
Weirs, overfalls 
Pipes, open channels, rivers 
Bends, valvs, sudden enlargements and contractions 
Efflux; variable pressure 
Hydrometry Velocity 
Impulse and resistance 
Theory of waves 
Capillary attraction 
Osmose Absorption 
Applications Machines See 621.2 Water engins 
Except for libraries making Physics much more prominent than Useful arts, all 
the * Applications ’ wil be more useful under their proper heds in Useful arts. 
It is better to keep all the material in one place, referring to it from the other, 
rather than attempt division 
Hydraulic press See also 621.266 
Hydraulic engin See also 621.25 
Water ram See also 621.27 
Water wheels See also 621.21 
Water blast See also 621.269 
Tables Problems Questions 
(Gases Pneumatics 
Properties of gases and vapors Absorption 
Laws of compressibility 
Atmosphere 
Barometer 
Air pump 
Aeronautics 
Kinetic theory of gases 
Applications See 621.6 Blowing and pumping engins 
Preferably clast in Useful arts, see 532.8, note 
Manometer Pressure gages See 621.18 Steam generation 
Condensing pump 
Force pump 
Suction pump 
Diving bel 
Forge bellows 
Pneumatic dispatch 
Tables Problems 
L 
‘2 
"3 
4 
3 
56 
57 
58 
59 
6 
by 
I 
-~ 
6 
7 
R 
52 
83 
84 
85 
86 
87 
88 
Q