-31- 



U. S. Nat. Mus. Ann rep., '84-' 91 C50(> Un351 



U. S. Nat. Mus. Bull., '75-'91 C506 Un353 



U. S. Nat. Mus. Procee., '78-'83, '87-'91. . .0506 Un352 

 U. S. pub. land comsu. Public domain. . . .0353.2 Uii3 

 U. S. treasury dep. Mineral resources of 



the U. S., '66, '68, '70-'75, '82 -'91. .0622 Uii3 

 U. S. treasury dep.: mint. Ann. rep, '76, 



'78, '80-'86, '89 0622 Un31 



U. !S. treasury dep.: mint. Production of 



precious metals, '80-'90, '92 0622 Uii311 



Universal exhibition of 1855. Canada 0606 Un3 



University studies, '88-'92 0505 Un3 



Unwin, W: 0. Hydraulics 0627 Un9 



Unwin, W: 0. Machine design, ed. 2 0535 Un9 



Unwin, W: C. Machine design, ed. 4 0531 Un91 



Ure's dictionary of arts, manufactures and 



mines C620.3 Ur2 



Valve gears. G. Zeuner 0621.1 Z5 



Vassar brothers' inst. Trans, '84-90, w. '86, 0506 V44 

 Vaucloise, societe, des sciences naturelles. 



Bull., '93 0506 V46 



Verdet, E. Optique physique 0535 V58 



Vermont, geology of. Rep., 2 vols 0557.43 V59 



Victoria, Rl. Soc. of. Trans and procee., 



'87-'91 0506 V66 



Volcanoes. J : W. Judd 0551.2 J88 



Walton, W: Problems in mechanics 0531 W17 



Watson, H : W: Kinetic theory of gases. . . 0533.7 W33 

 Watson, H : W : Plane and solid geometry . 0513 W33 

 Weatherley, L. A. Ambulance lectures.. . .0617.1 W37 



Werkzeuge der tiere. D. Graber 0591.5 G75 



Wessely, I. E. Eng.-Ger. and Ger.-Eng. dic- 

 tionary 0433.2 W51 



Western Scottish fossils. J. Armstrong etal. 0560 Ar5 



