Photograph of a field of Burbank spineless Opuntias in a snow storm.

Photograph of a field of Burbank spineless Opuntia seedlings under 2 1/2 inches of snow on 11 January, 1907 with farmhouses in the background.

Draft reply from Joseph Black to Patrick Wilson about snow water and heat.

Photographs from the Daily Mirror in the early 20th century from an article, 'Buried Sheep Which Breathe Through Holes in Snowdrifts in the Peak'. The four photographs show: a dog digging out the sheep; a farmer's wife digging out the sheep; the farmer's wife uncovering a Gritstone sheep and a farmer and his wife leading back the rescued sheep.

Letter from Patrick Wilson to Joseph Black about snow water and offering items for John Walker's collection.

Letter from Patrick Wilson to Joseph Black about snow water and phlogiston.

Letter from Patrick Wilson to Joseph Black about snow water.

Notes by Joseph Black about premiums on kelp being offered by the Dublin Society.

Quote about snow which reads 'Sneachd og air a bheinn', which was said by an old woman at Gearrloch [Geàrrloch/Gairloch, Ros is Cromba/Ross and Cromarty] and accompanying proverb beginning 'A smudan fein an ceann gach lodan'.

Reference note which reads 'Snow water cleansing prob[ably] Job IX-30.'