Requests receiver to transmit answers to questions regarding a storm which struck Philadelphia between March 16 and 19, 1838, to William Hamilton, actuary of the Franklin Institute. Signed in type by Robley Dunglison, chairman of the committee and Gouverneur Emerson, secretary. Manuscript note signed by J[ames] P. Espy and added to bottom of the circular requests reader to transmit the circular "to some persons in your district whom you think most likely to furnish the desired information."
