JAN. 4, 1921 proceedings: archaeological, society 23 



The instruments shown were as follows: 



1. Vibration stand for instruments, together with Dr. Dickinson's vibrometer. 



2. Precision altimeter. 



3. Group showing evolution of rate-of-climb indicators. 



4. Group of various Pitot and Venturi tubes. 



5. Working model of Franklin stabilizer. 



6. Air damped compass for dirigibles. 



7. Working model of ground speed indicator. 



8. Combination inclinometer, banking indicator and gyroscopic turn indicator in 

 operation. 



Lantern sHdes were also shown as follows: 



1. Certificates showing test results on aneroid barometers tested at the govern- 

 ment laboratories of England, France, Germany and the United States. 



2. A group of curves showing errors of aneroids. 



3. Diaphragm investigation exhibit. 



4. Dummy observer utilizing moving picture film for instrument observations in 

 flight (3 views). 



The paper was discussed by Messrs. Crook and Tuckerman. 



S. J. Mauchly, Recording Secretary. 



ARCHAEOLOGICAL SOCIETY 



The 19 th annual meeting of the Washington Society of the Archaeo- 

 logical Institute of America was held at the home of Mr. Robert 

 Lansing on Saturday, November 13, 1920. 



Sir William Ramsay gave an illustrated lecture on An archaeological 

 retrospect and prospect in Anatolia. 



The following officers were elected for the year 1921: President, 

 Robert Lansing; Vice-Presidents, Robert M. Thompson, Miss 

 Mabel Boardman, Henry White and Mrs. H. F. Dimock; Secretary, 

 Mitchell Carroll; Associate Secretary, Miss Helen Wright; Trea- 

 surer, John B. Larner; Councillors, Robert Lansing (ex-officio), 

 Charles Henry Butler, Mitchell Carroll (ex-officio), William 

 ^IiLLER Collier, F. Ward Denys, William P. Eno, William H. 

 Holmes (ex-officio), John B. Larner, H. B. F. MacFarland, James 

 Parmelee, J. Townsend Russell and Robert M. Thompson; Ex- 

 ecutive committee, the above named officers and Albert Douglas, Miss 

 Amaryllis Gillett, Gilbert Grosvenor, Martin A. Knapp, Charles 

 Colfax Long and George Oakley Totten, Jr. 



Mitchell C.\rroll, Secretary 



