Rain denied, health preserved : Royal patent waterproof manufactories, Upper Belgrave Place, formerly New Spring Gardens, Chelsea, for all kinds of wearing apparel : also cotton, canvas, silk, paper, &c. only ... / Ackermann, Suardy & Co.

Leaflet advertising Ackermann, Suardy & Co.'s new, patented method of waterproofing cloth while still permitting "steam or perspiration of the body from passing through." "as glass excludes the air, yet lets in light, we can be water-proof and not air-tight". Includes a list of stockists in London.