SECRETARY'S REPORT 15 



and associated machine-shop fixtures of about 10 years later. These 

 items were located in an abandoned Rhode Island shop through the 

 help of Helen I. Fraser, of the New London Historical Society, and 

 James Kleinschmidt, of Mystic Seaport, Conn. 



Among a number of significant builder's half-models received by 

 the division of transportation were two Cape Cod catboats from 

 Marthas Vineyard, the gift of Manuel S. Roberts. The collections of 

 the section of land transportation were augmented by the locomotive 

 "Pioneer" and a Camden & Amboy Railroad coach from the Penn- 

 sylvania Railroad Co. 



The division of electricity received from the National Bureau of 

 Standards several wavemeters used in the standardization of radio 

 equipment in the 1920's, and from the University of Michigan a 

 Fleming cynometer and several early magnetrons. The Massachusetts 

 Institute of Technology donated the G. H. Clark collection of docu- 

 ments and photographs on the history of radio. 



Among the accessions acquired by the division of medical sciences 

 are a 13th-century metal mortar and pestle made in Nishapur, Persia; 

 an 18th-century microscope made by Dollond of London; a 19th- 

 century set of brass Troy nested weights; and one of the earliest 

 types of ionization chambers designed for practicing radiologists. 



Arts and Tnanufactures. — Among specially noteworthy fabrics ac- 

 quired by the division of textiles are a collection of Jacquard-woven 

 pictures, a 19th-century warp-printed scene requiring over 100 blocks 

 to produce one repeat, and a roller-printed portrait on silk, all pre- 

 sented by Arthur E. Wullschleger. An interesting lot of 19th-cen- 

 tury plush, beaded, and embroidered fabrics was presented by Dr. 

 and Mrs. Leonard Carmichael. George C. Claghorn donated a hand- 

 woven linen tablecloth. An unusual damask tablecloth, woven in 

 1860, with scenes from stories in the Old Testament, was presented 

 by Mrs. Loren E. Souers. The first pair of experimental nylon hose 

 made in 1937 and several bobbins of the early experimental nylon 

 yam were deposited by E. I. du Pont de Nemours & Co. 



From Mrs. Dwight D. Eisenhower the division of ceramics and 

 glass received a 13-piece porcelain tea set, produced about 1770 in 

 Wiirtemberg, Gennany, by the Ludwigsburg factory, one of the great- 

 est of the 18th-century porcelain manufactories. The set was pre- 

 sented to President and Mrs. Eisenhower by His Excellency Theodor 

 Heuss, President of the Federal Republic of Germany. Another gen- 

 erous gift of 102 pieces of American and European glass was received 

 from Mrs. Clara W. Berwick. An outstanding art object in this 

 group is a dark-blue glass plate with an enameled decoration taken 

 from the 12th-century mosiac in one of the domes of St. Mark's Cathe- 

 dral in Venice. 



