B.A.A.S. defers letter from [John] Washington to Magnetic Committee. Asks for JH's approval for funding [Robert] Schomburgk's portable magnetic observatory. JH should send Washington's letter to George Peacock. William Whewell, Humphrey Lloyd, and ES have contingently approved. Offers to order the appropriate instrument from Wilhelm Weber and seek partial funding from the Geographical Society. JH appends notice of his approval.