Kowalsky Building Mason and Eddy Sts. San Francisco

Note on front: Henderson's Metal Furring and Clamp System Used in this Building. Highest Award (Gold Medal) for Metal Partition Construction at Panama-Pacific International Exposition, San Francisco, 1915. Patented and Manufactured by W.D. Henderson (Pantentee), Monadnock Building, San Francisco. Norman R. Coulter Architect & W.D. Henderson, General Contractor