Blueprint plan showing details of the trusses required of the Mechanical Arts Building. The Architect is Edward Swain, and Engineer is A D Ottewell. Varying scales applied to the various diagrams on this blueprint.
Blueprint plan showing the transverse section of the Mechanical Arts Building. The Architect is Edward Swain. Drawn at a scale of 8 feet to 1 inch.
Blueprint plan showing the front elevation of the Mechanical Arts Building. The Architect is Edward Swain. Drawn at a scale of 8 feet to 1 inch.
Blueprint plan of the foundation of the Mechanical Arts Building. The Architect is Edward Swain. Drawn at a scale of 8 feet to 1 inch.
Three memos from Arthur Page Brown, Architect to M M O'Shaughnessy. Relating to materials and measurements needed for constructions in the Golden Gate Park, site of the Midwinter exposition. Constructions mentioned include the Grand Stand, and a pedestal on which to place a statue of Columbus.
Letter from James D Phelan to M M O'Shaughnessy seeking employment on behalf of an acquaintance for work in the Midwinter Fair.
Letter from [Charles] Taylor, the Secretary to the Director General of the California Midwinter International Exposition to M M O'Shaughnessy. Relating to 3 inch pipe.
Two letters from F H [Tinsdell] (Chief, Department of Publicity and Promotion), to M M O'Shaughnessy. The first advises of an upcoming banquet, and the second proposes a meal celebration between the Chiefs of Departments of the California Midwinter International Exposition.
Letter from J J Hassell, Cashier of the California Midwinter International Exposition to M M O'Shaughnessy. Requesting clarification on whether an outstanding bill from the Spring Valley Water Works is accurate.