118 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1958 
1. For a period of four weeks in March-April, Mr. Gettens worked as research 
collaborator in the chemistry department of Brookhaven National Laboratory, 
Upton, L.I., N.¥Y., where he carried out analytical studies, mainly spectro- 
graphic, on ancient glass and ancient bronze. Some 30 specimens from 
inscribed ceremonial bronzes in the Freer Collection were analyzed 
spectrochemically. 
2. Chemical quantitative analysis by wet methods was started on samples of 
the same series of inscribed ceremonial bronzes. 
3. Systematic collection of data was begun on the technology of ancient copper 
and bronze in the Far Hast. 
The following projects were continued : 
1. X-ray diffraction analysis of corrosion products on ancient metals. 
2. Identification, by X-ray diffraction methods, of the jade objects in the 
Freer Collection. 
3. Studies on the salt efflorescence on earthenware bodies. Carried on exchange 
of specimens and information with Museum of Natural History, Brussels. 
During the year, 8 written reports were made and 387 verbal reports 
given on objects examined in the technical laboratory. 
In August 1957 Mr. Wenley left for 214 months to attend the Inter- 
national Congress of Orientalists in Munich where he delivered a paper 
on inscriptions on bronze vessels found at Lo-yang in 1929. During 
his trip to Europe he also studied museums and private collections in 
the following places: Briefly in France and Switzerland, 9 days in 
Munich, 5 days in Stockholm, 7 days in London, 3 days each in 
Brussels, The Hague, and Athens, and 16 days in Italy. 
By invitation of the Government of Pakistan and the University 
of the Panjab in Lahore, Dr. Ettinghausen left in December to attend 
the International Islamic Colloquium. As the initial speaker he de- 
livered a paper entitled “Comments on the Nature of Islamic Art 
and Its Symbols.” His 4-month trip took him to the following places 
where he delivered lectures and studied museums and private collec- 
tions in connection with his research in Near Eastern art: 4 weeks 
in Pakistan, 4 weeks in India, 10 days in Iran, 8 days in Israel, 214 
weeks in Germany and England respectively, and 2 days in Ireland. 
On March 27, 1957, Mr. Stern left on a 9-month trip to the Far East 
to prepare the catalog for editing and supervise photographing of the 
objects and arrangements for packing and shipping of the Korean 
Government Loan Exhibition. While in the Far East he delivered 
lectures and studied museums and private collections in the following 
places: 5 weeks in Seoul, 5 months in Japan, 2 weeks in Hong Kong, 
1 week in Formosa, 1 week in Honolulu, and 1 week in San Francisco 
and Seattle. 
By invitation the following lectures were given outside the Gallery 
by staff members (illustrated unless otherwise noted) : 
