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Notes relating to the origin of the Theodolite from: Rathbone's Surveyor, 1616; William Leybourne's Compleat Surveyor, 1653; Hutton's Dictionary; Thomas Digges Scalae mathematicae, 1573, Pantometrica, 1571; Fortification or Architecture Military. Calculations worked "On Tycho's method of dividing transversals", dated 4th and 6th Dec. 1886. See correspondence between JCA and W.W. Skeat, and W.W. Skeat and Mrs Adams.

Diagram with notes on an eclipse, probably the solar eclipse of 1851.

Undergraduate mathematics notes. Including "On the symmetrical form of the equation of the parabola" "On some expressions for the area of a triangle" etc.

Undergraduate mathematics notes. Newton's Principia Sect. IX. Notes on telescopes.

Astronomical notes, undated (but worked before Neptune so named). Calculations connected with Neptune: begins "1846. Calculation of Latitudes & Longitudes of the New Planet Aug. 4... Septr. 23... Septr. 28..."

Astronomical notes, some dated Mar. 1854. "Comparison with Bouvard's Tables of Saturn with the formulae in the introduction." "Synoptic statement of the planetary masses employed by LeVerrier in various reseaches." "Mean motion & masses of the planets 8 Mar. 1854" "Calculation of the perturbations of Uranus by Neptune" "Calculation of the orbit of Comet 1856 from Cambridge Obsns. Apl. 1854".

Undergraduate mathematics notes. Including "To explain the separation of common light" "Conical refraction" "Calculus of variations" "Musical notes on a pipe".

Astronomical notes, dated Nov.1849. "Calculations respecting the Errors of Leidenau's Elements of Venus".

Astronomical notes, undated. "Oriani's Formulae for the true anomaly & Radius Vector in an elliptic orbit in terms of the mean anomaly..." " To find the variations of the elements of a planet's orbit corresponding to given small variations of the co ordinates & their first differentiated coeffts." "Examination of law of distribution of Greenwich lunar Observations, according to the elongation of the Moon from Sun".

Undergraduate mathematics notes. Including "Method of elimination by cross multiplication" "Propositions in the theory of numbers" etc.