Repellent Collection

Salvinia Effect of Salvinia natans
Scanning electron micrograph of leaf detail of Salvinia natans, a floating fern type plant which has superhydrophobic trichomes or hairs on the upper surface of its leaves

An R. A. F Dakota spraying the city of Singapore with D. D
An R.A.F Dakota spraying the city of Singapore with D.D.T to help in the fight against the malarial mosquito. Circa Nov 1945

Marshalls Petal Dust Moth Preventer -- keep your furs and clothes free from ravage. circa 1910s

Awful Protection Against Midges, 1853 (pen & brown ink on paper)
XYC182768 Awful Protection Against Midges, 1853 (pen & brown ink on paper) by Millais, John Everett (1829-96); 16.5x11 cm; Yale Center for British Art, Paul Mellon Fund, USA; English, out of copyright

Picture No. 10767428
Scuba Diver - with shark POD (emits shark repellent electrical pulses) Date:

Slug pellets on orchid plant in pot with bark mulch

Hydrophobic paint C014 / 0237
Hydrophobic paint. Close-up of a surface coated in paint that repels water (hydrophobic). This paint has been developed by studying and replicating structures found in nature

Hydrophobic paint C014 / 0236
Hydrophobic paint. Close-up of a surface coated in paint that repels water (hydrophobic). This paint has been developed by studying and replicating structures found in nature

Lotus (Nelumbo sp. ) leaf C015 / 6502
Lotus (Nelumbo sp.) leaf. Close-up of water on the leaf of a lotus (Nelumbo sp.) plant, showing its water-repellent properties

Mothballs C016 / 4469
Mothballs. Mothballs contain chemicals that repel or kill insects that feed on clothing. Older formulations used the organic compound naphthalene

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"Repellent: Nature's Defense Mechanisms and Human Innovations" From the Salvinia Effect of Salvinia natans to the R. A. F Dakota spraying Singapore with D. D, nature and humans have long sought ways to repel unwanted pests. Marshalls Petal Dust Moth Preventer is just one example of our modern-day solutions. Intriguingly, even in 1853, people were searching for effective repellents as seen in "Awful Protection Against Midges. " This pen & brown ink drawing depicts their desperate attempts to ward off these pesky insects. Picture No. 10767428 captures slug pellets scattered around an orchid plant nestled in bark mulch - a reminder that even beautiful gardens need protection from destructive creatures. Enter hydrophobic paint C014 / 0237 and C014 / 0236 - innovations designed to repel water and keep surfaces dry. These coatings not only prevent moisture damage but also deter unwanted organisms that thrive in damp environments. Nature itself provides inspiration through the lotus leaf (Nelumbo sp. ) C015 / 6502. Its unique surface structure makes it incredibly repellent against dirt, water droplets, and other contaminants – a phenomenon scientists are still studying today. And who can forget mothballs? The pungent aroma of mothballs (C016 / 4469) has been used for generations to fend off clothes-eating moths from our precious garments. Whether we turn to natural wonders or human ingenuity, repellents play a crucial role in protecting what matters most – be it crops, homes, or personal belongings. So next time you encounter an unwelcome visitor or threat, remember the power of repellents at your disposal.