Significance
Yields information about the manufacture of brass overhead crossings and the complex ones ESCo were using compared to the MMTB.
Physical description
Letter dated 12/4/1928 from the Sands Hill Manufacturing Co, General Brass founders, Finishers Etc of 34 Queen St Melbourne to The Resident Engineer, ESCo, regarding the Overhead Crossing, Adjustable type for round Trolley Wire, forwarding three drawings of fixed type used by the MMTB in Melbourne and stamped steel pans.
Typed on Mount Royal Bond Made in Canada paper.