American Chain & Cable Co.

American Chain & Cable Co. ad from the May 1941 issue of Heating Piping and Air Conditioning.

American Chain & Cable Co.

 

Spoehrer-Lange Co.

Spoehrer-Lange Co. ad from the May 1941 issue of Heating Piping and Air Conditioning.

Spoehrer-Lange Co.

 

Modine Manufacturing Co.

Modine Manufacturing Co. ad from the June 1941 issue of Heating Piping and Air Conditioning.

Modine Manufacturing Co.