SECRETARY'S REPORT 23 



Semionotus, from the Upper Triassic in nearby Virginia, presented by 

 Shelton Applegate of the University of Virginia ; the lower jaws and 

 skeletal portions of the rare Miocene porpoise Phocageneus, found by 

 Rowland A. Fowler at Fairhaven Cliffs in Maryland ; and a skull of 

 the porpoise Rhabdosteus, collected also from Fairhaven Cliffs by Dr. 

 Remington Kellogg, F. L. Pearce, and G. D. Guadagni. The first rep- 

 resentation of an interesting fish, a suite of Leptolepis nevadensis, col- 

 lected by Dr. Thomas B. Nolan from the Lower Cretaceous of Nevada, 

 was transferred from the U. S. Geological Survey. The exceedingly 

 rare Middle Eocene bowfin Paramiatus gurleyi, from the famous fossil 

 fish quarries in the Green River formation near Fossil, Wyo., was pur- 

 chased by Walcott funds. 



Engineering and Industries. — A large collection of hydraulic 

 machines from the pioneer turbine inventors Uriah Boyden, James B. 

 Francis, and A. M. Sevain are welcome additions in the section of 

 heavy machinery. These were presented by the Proprietors of Locks 

 and Canals on Merrimac River, Lowell, Mass. Other important 

 power machines received are an Otto and Langen gas engine, gift of 

 the firm of Klockner-Humboldt-Deutz, Germany ; the first De Laval 

 steam turbine exhibited in the United States, lent by the De Laval 

 Steam Turbine Co. ; the first steam engine built by M. W. Baldwin 

 (1829) and a Corliss steam engine, gifts of the Franklin Institute; 

 and a model of the world's first hydroelectric central station at Apple- 

 ton, Wis., lent by the Wisconsin-Michigan Power Co. Further notable 

 additions are : The steam velocipede built by Sylvester H. Roper about 

 1869 and the steam tricycle built by George A. Long about 1880, lent by 

 John H. Bacon ; the astronomic transit constructed by Repsold about 

 1860, from the U. S. Naval Observatory. From the Smithsonian 

 Astrophysical Observatory examples were received of some of the 

 important instruments developed by that bureau, such as Abbot's 

 pyrheliometer and the vacuum bolometer. 



Among the outstanding examples of the graphic arts are a litho- 

 graph, "Three Figures," by Georges Rouaul't, and a stencil print, "Com- 

 potier," by Pablo Picasso, presented by Mrs. Robert S. Schwab. 

 Thirteen original pictorial photographs by Edward Weston were 

 purchased through the Eickemeyer Fund. 



Received in the division of medicine and public health are examples 

 of recent advances in the field of medicine consisting of vials of 

 poliomyelitis vaccine produced for the 1954 field trials by Wyeth 

 Laboratories, Eli Lilly & Co., and Pitman-Moore Co., and hearing- 

 aid apparatus made by the Sonotone Corp., Otarion, Inc., and Telex, 

 Inc. 



In the fields of woods and textiles, notable specimens received are a 

 double length of an early nineteenth century damask tablecloth, made 



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