REPORT OF ASSISTANT SECRETARY. 175 



rough survey plottings to the completed chart, relief models in plaster 

 showing the contour of the ocean-bed in various localities, and wind, 

 current, thermal and other charts issued by this office as aids to navi- 

 gation. The Office of Compasses sent a full set of mariner's compasses 

 and other instruments for determining magnetism. The Naval Observa- 

 tory exhibited a complete outfit of apparatus for astronomical work, pho- 

 tographs of the heavenly bodies, and a set of instruments and electric 

 apparatus to illustrate the operations of the Observatory time system, 

 and to show its relation to the various commercial interests of the coun- 

 try. Daring the continuance of the Exposition this department, through 

 its Washington office, operated a time-ball by means of which the cor- 

 rect time was furnished daily. 



Treasury Department. — The exhibits of this Department were made 

 up of separate collections by several bureaus, including the Depart- 

 ment proper, the Coast and Geodetic Survey, the Bureau of Print- 

 ing and Engraving, and the Life-Saving Service. The collective ex- 

 hibit, which occupied an area of 4,250 square feet at the farther end 

 of the south annex, was under the general direction of Maj. Herman 

 Kretz, representative, assisted by Lieut. C. H. McClellan of the Life- 

 Saving Service, and Capt. C. O. Boutelle and Dr. J. H. Clark of the 

 Coast and Geodetic Survey. 



The exhibit of the Treasury proper consisted of a complete collection 

 of portraits in oil of the Secretaries of the Treasury from the organiza- 

 tion of the Department. The exhibit of the Coast and Geodetic Survey 

 was composed in large part of the scientific instruments and other 

 apparatus used in its magnetic, hydrographic, geodetic, and topographic 

 work, with a full set of the maps, charts, and publications of the sur- 

 vey, and a set of standard weights and measures, and of the weights 

 and measures of the metric system. 



The Bureau of Printing and Engraving sent an exhibit illustrating 

 the various kinds of work done by its employes, including the different 

 styles of engraving, and samples of printing by both hand and steam 

 presses. The objects selected for showing the processes were United 

 States bonds varying in size from $100 to $50,000, currency notes and 

 silver and gold Certificates ranging from $1 to $10,000, internal rev- 

 enue certificates and a collection of vignette portraits of two hundred 

 of the leading American statesmen and inventors. 



The collections sent by the Lite-Saving Service consisted of a care- 

 fully selected series, illustrating by means of pictures, apparatus, and 

 models, the methods employed by it in the saving of botli life and prop- 

 erty. It contained a complete station outfit, including self bailing 

 life-boat and carriage, cannon, projectile, shot-line, life-car, breeches- 

 buoy, and a complete set of lines, ropes, blocks, and signals; also a 

 beach wagon fully equipped for service, samples of the life-jackets ami 

 swimming-suits worn by the crew, ami statistic.il summaries of the 

 work accomplished during the pasl lew years. 



