1929 Arlington Mass got Seagrave 750 gpm engine
https://arlington.advantage-preservation.com/viewer/?k=seagrave&i=f&d=01011871-12312005&m=between&ord=k1&fn=arlington_advocate_usa_massachusetts_arlington_19290524_english_1&df=1&dt=10
3rd seagrave ... but the other 2 seagraves used soda power
no picture
also ... proctors was the largest radio dealer in area with 3 outlets
... harvard square + medford + arlington