The 1909 Knox chemical and hose wagon, the first motorized fire-fighting vehicle purchased by the town. It was known as "Combination A" and ushered in the end of the horse-drawn era. Pictured are:

• George Murray, driver
• John Allen, Assistant Chief, next to the driver
• John O’Neil, rear, first on the left
• Two unidentified men, rear left
• Lt. Frank T. Pons, Sr., at the back
• Lt. Frank Hayes, Sr., rear right

[ref. The Brookline Chronicle, August 22, 1968, pg. 1]