A letter to Tupman enclosing directions for the use of instruments loaned to the Transit of Venus Expedition; a circular from H. Toynbee, Meteorological Office, to ships' captains discussing the issue of instruments, requesting information and observations, and giving extensive instructions in the taking of observations; a letter from Tupman to Mr Scott, Meteorological Office, describing when and where the observations were made and apologising for the loss and damage to instruments sustained during transit; a letter to Tupman from Mr Scott acknowledging his letter and the likelihood of damage to delicate instruments, and thanking him for the observations made during the 1872-1877 expedition; a printed letter of receipt from the Meteorological Office for the return of instruments, including a list of the instruments returned by Tupman; a printed letter of receipt from the Meteorological Office for the submission of a weather log; a letter from Tupman to Captain H. Toynbee, Meteorological Office, giving his view as to the value of the weather observations taken during the voyages and ashore; and a letter from Mr Scott, Meteorological Office, asking if instruments still outstanding from the Transit of Venus Expedition are likely to be returned.