1991, Bob Gordon, Orchid Seedling Care: With Special Emphasis on Water Quality:
An upscale version of this tried and true method of providing windowsill humidity is the use of plastic 'egg crating' instead of gravel.
2001, Christopher Fowler, The Devil in Me, page 12:
You could tell summer was coming because people were drinking on the street, searching for spaces on the windowsills of the pub to balance their beerglasses.
2015, Nathan Williams, The Kinfolk Home: Interiors for Slow Living, Artisan Books, →ISBN, page 277:
north-facing rooms: These rooms receive the least light if you live up north, so choose plants that can endure low-light conditions and keep them directly on the windowsill. Some suggestions include pothos, philodendrons, arrowheads, Chinese evergreens, peace lilies and zamioculcas (or “ZZ”).
2017, Irina Maltseva, Aleksandr Elokhov, Konstantin Tkachuk, Kseniia Maltceva, “Design without thermal bridges”, in 9th International Scientific Conference Building Defects:
The most unreliable joints are in connections between the wall with ceilings and roofing, esconson of windows, places under the windowsills, exits to the balcony or veranda...
