Key to room numbers 
Map showing locations of meeting rooms 
Key number 
1 
2 
3 
4 
5 
6 
Designation and building 
Conference Room A, 
Departmental Auditorium 
Conference Room B, 
Departmental Auditorium 
Conference Room C, 
Departmental Auditorium 
Auditorium, Natural History 
Building of National Museum 
Room 43, Natural History 
Building of National Museum 
Auditorium, Building of the 
Commerce Department 
NOTES 
Standard of Time --As the program goes to press, Washington, D. C. is on Eastern Standard 
Time, though there is action pending in Congress to establish Eastern Daylight Saving Time during 
the warmer portion of the year. Should this action be completed to be effective at the time of 
meeting, such time will be used for the schedule of the meetings. 
Room Reservations --A number of important meetings are scheduled for the closing days of 
April that will bring a large number of people to Washington, It is, therefore, essential that hotel 
room reservations be made in advance. Write directly to the hotel where you desire to stay, or, 
desiring information on hotels, write to the Greater National Capital Committee, Star Building, 
Washington, D, C. for a hotel rate schedule sheet. 
Registration --All members and guests attending any session are requested and urged to 
complete cards of registration at the Main Registration Desk at the entrance to the Auditorium of 
the Natural History Building (Room 4) where Receptionists will be available to supply information 
regarding meetings, membership, telephone and mailing facilities; and other local matters. Aux¬ 
iliary Registration Desks will also be maintained in Room 1 (Conference Room A, Departmental 
Auditorium) and at the entrance to Room 6 (Auditorium, Building of the Commerce Department), 
Re solutions --Chairman Earl Ingerson of the Union's Committee on Resolutions, desires to 
have this Committee fully advised by 15h00 m , Tuesday, April 29, 1947, of any resolutions to be 
submitted in order that this Committee may have opportunity to prepare them in final form for 
presentation at the Business Session of the Union on the afternoon of April 30, 1947. Each reso¬ 
lution presented to the Committee should include (a) names of original submitters, (b) whether 
presented to a Section and action taken, and (c) whether action is desired in the Business Session 
or whether the resolution is to be regarded as being only for a particular Section or as one to be 
more effective as a general resolution of the whole Union. 
Lounge --Room 1 (Conference Room A, Departmental Auditorium) and Room 5 (Room 43, 
Natural History Building) will be maintained as lounge rooms for the use of members to meet 
friends, and to hold informal conferences. 
Conference Room —Room 3 (Conference Room C, Departmental Auditorium) is available for 
conferences by arrangement. [See J. P. Marble, Chairman of the Committee on Meetings, for 
assignment.] 
Monday evening program --No program of the Union is planned for Monday evening, April 28, 
1947, inasmuch as the National Academy of Sciences is holding a meeting to which the public is 
invited. This meeting will be held at 20h30na in the Auditorium, Natural History Building (Room 4). 
C. E, K. MEES, Vice-President, Eastman Kodak Company in charge of research work, will deliver 
an address on Modern processes of color photography. 
Discussion--Following the oral presentation of a paper, there will normally be opportunity to 
discuss from the floor. Discussors are urged to prepare their comments for publication in thp 
Transactions. 
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