Snow

Scope and Contents Photograph of a field of Burbank spineless Opuntias in a snow storm.

Scope and Contents 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.

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

Scope and Contents 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.

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

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

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

Scope and Contents Letter to Sir Charles Lyell from James Croll concerning the quantity of heat received from the sun between two equinoxes, the effect of Perihelion and Aphelion on the length and strength of summers and winters and the effect of the formation of ice and snow on the levels of heat given off from the earth, 17 April 1866.

Scope and Contents Letter to Sir Charles Lyell from James Croll concerning the temperature of the earth in both winter and summer and how this temperature is affected by the position of the earth in relation to the sun and snow and ice throughout the world, 23 April 1866.

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