The Dole Valve Co.

The Dole Valve Co. ad from the September 1944 issue of Heating Piping and Air Conditioning.

The Dole Valve Co.

 

The Leland Electric Co.

The Leland Electric Co. ad from the September 1944 issue of Heating Piping and Air Conditioning.

The Leland Electric Co.

 

Chrysler Corp.

Chrysler Corp. ad from the September 1944 issue of Heating Piping and Air Conditioning.

Chrysler Corp.

 

The Ruberoid Co.

The Ruberoid Co. ad from the October 1944 issue of Heating Piping and Air Conditioning.

The Ruberoid Co.

 

The Allen Corp.

The Allen Corp. ad from the October 1944 issue of Heating Piping and Air Conditioning.

The Allen Corp.

 

Armstrong Cork Co.

Armstrong Cork Co. ad from the October 1944 issue of Heating Piping and Air Conditioning.

Armstrong Cork Co.