“FERRO-GLASS”
REINFORCED CONCRETE AND GLASS CONSTRUCTION PAVEMENT & ROOF LIGHTS
40% MORE LIGHT
NO
RUSTING
OR
PAINTING
J. A. KING & Co., Ltd.
181 QUEEN VICTORIA ST., LONDON, E. C. 4 Roof Ventilators
“HARCO” self-acting Ventilators extract vitiated atmosphere by the “natural” or induced method — the most economical and efficient method of ventilating any type of building. They are constructed in a wide range of sizes and patterns.
You will find our new Ventilator Catalogue A481 extremely useful for reference — may we send you a copy?
REINFORCED CONCRETE AND GLASS CONSTRUCTION PAVEMENT & ROOF LIGHTS
40% MORE LIGHT
NO
RUSTING
OR
PAINTING
J. A. KING & Co., Ltd.
181 QUEEN VICTORIA ST., LONDON, E. C. 4 Roof Ventilators
“HARCO” self-acting Ventilators extract vitiated atmosphere by the “natural” or induced method — the most economical and efficient method of ventilating any type of building. They are constructed in a wide range of sizes and patterns.
You will find our new Ventilator Catalogue A481 extremely useful for reference — may we send you a copy?