[Letter] 1788 6th mo. [Jun] 21, Kendal [to] Peter Crosthwaite, The Museum Keswick / John Dalton, [enclosing copy of his journal and discussing the extra column for "the tides of the air" and their possible influence on the weather and the aurora borealis. Mentions difficulty in obtaining a thermometer and notes differences in barometer readings. Has heard of an article questioning the heights of various hills in the lake district]