Yields information about the method of promotion of the sales of briquettes amongst SEC employees and the sale of gas heaters.

Physical description

Printed - two colours - pamphlet, with black border top and bottom of the sheets, advertising free briquettes to SEC employees and relatives on the installation of a hot water heater or space heater. Late 1960's - has a 7 digit telephone contact number. In top left hand corner has the name "Everett"

On rear has various calculations in pencil.

Was loose with the group of track diaries - eg around Reg Item 3703.