Blueprint plan showing half of the 2nd storey of the Mechanical Arts Building. The Architect is Edward Swain. Drawn at a scale of 8 feet to 1 inch.
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.
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.
Handwritten notes on measurements of sewer lines and pipes. Written on California Midwinter International Exposition headed paper, and with Hugh Donegan's name on bottom (possibly as a signature, although the handwriting is very similar to O'Shaughnessy's).
Black and white photograph of 6 men, named from left to right as: Vincent, [Molony], McAfee, Ryder, M M O'Shaughnessy and [Carmody].
Two copies of a black and white photograph of Senator [Key] Pittman speaking at the dedication of the Pittman plaque at O'Shaughnessy dam. He is surrounded by a group of men perching on automobiles and listening.
Black and white photograph of a large group of men standing around a picnic table in the San Mateo Recreation Park.
Two copies of a black and white group photograph of the City Engineer's Baseball Team. O'Shaughnessy is wearing a suit and hat, and is standing in the back row.
Two copies of a black and white group photograph of the City Engineer's Baseball Team. O'Shaughnessy is wearing a suit and hat, and is standing in the back row.
Black and white group photograph captioned Bayshore Boulevard, Supervisor Havenner.