William Thornton Re-examined by Bob Arnebeck

The Doctor Examined, or Why William Thornton Did Not Design the Octagon House or the Capitol by Bob Arnebeck Table of Contents Chapter Six: Hallet Dismissed  57. In 1948 the White House was gutted prior to a complete renovation. The building is about the size of the North Wing of the Old Capitol. This photo gives an idea of the shallow sandstone foundation of both building (be sure to click photo to enlarge it. 58. Renovation of the White House in 1949 revealed the rough-hewn foundation of the 1790's where designs gave way to the reality of  shovels, mallets and chisels. Once work began in the spring, Hallet resumed work on the foundation. In a January 1795, letter to the board, he recalled  the difficulty he had laying the foundation: "I traced and directed the laying of the foundation of the Capitol, a work of such extent and importance as to require in every point of view the greatest attention and the more so because it could only be done in detached square...

The Doctor Examined, or Why William Thornton Did Not Design the Octagon House or the Capitol by Bob Arnebeck Table of Contents Chapter Five: Design by Committee and an Epidemic 46. Jefferson in 1791 In Philadelphia, Thornton did his homework. He had left his elevation in Georgetown and now drew three ground plans with rooms and other features labeled with letters. He elaborated his ideas on a separate page. What he sent to the board is no longer extant but a draft of what he sent is in his papers at the Library of Congress. As he tried to nail down the particulars of his design, many ideas still floated in the air. Straight away, he distinguished his work from the "architects": A. The great repository under the floor of the dome. The walls are made very thick to support an arcade with imposts instead of double columns, if it may be deemed hereafter to make a dome of stone, however, the architects may be consulted on this subject as well as on the requisite thickness of th...