H. H. Robertson Company
2 Ad ertisements: H. H. Robertson & Philip Carey
Asbestos Protected Metal from H. H. Robertson Company. Asbestos roofing from Philip Carey.
ertisements: H. H. Robertson & Philip Carey
H. H. Robertson Company Ad ertisement
Robertson Protected Metal and Robertson Galbestos Metal for roofing and siding material. Use on industrial chemical buildings.
Robertson Ventilators Catalog (1965)
Ventilators made of Galbestos, which is shown as containing asbestos felt.