Cankrein, pupil
Canning, Lord
Cape of Good Hope, Observatory and Survey
Carpenter, assistant
Cartmell, Dr
Case
Catalogues of stars (see Stars)
Cathedrals and churches
Catton
Cavendish experiment
Cayley, Prof. 
Challis, Prof. 
Chalmers, Dr
Cherbourg (see Harbours)
Chesil Bank
Childers
Childers, First Lord of Admiralty
Christchurch
Christie, Prof. 
Christie, Astronomer Royal
Chronographic barrel (see Galvanic Registration)
Chronometers
Churches (see Cathedrals)
Church service
Cincinnati Observatory
Clarendon, Lord
Clark, Latimer
Clarkson, Thomas, and Mrs Clarkson
Cleasby, pupil
Clegg
Clinton, pupil
Clocks
Cockburn, Sir G.
Coinage (see Decimal Coinage)
Colby, Col. 
Colchester
Colenso, Bishop
College Hall
Collorado, Count
Colonial Observatories (see Observatories)
Comets
Commissions
Compass corrections
Cookson, Dr
Cooper, pupil
Cooper’s telescope (see Telescopes)
Copying press
Corbaux, Miss
Corryvreckan whirlpool
Courtney, Rev. J.
Cowper, First Commissioner of Works
Crawford, pupil
Criswick, assistant
Cropley,
Crosse, Rev. E.
Cubitt, Sir W.
Daguerrotypes
Dalhousie, Lord
Davy, Sir Humphrey
Davy, Dr
Daynou, Lieut. 
Deal time ball
De Berg
Decimal coinage and decimal subdividing
Dee navigation (see Rivers)
Degrees (see also Orders and Elections to Societies)
Deighton, publisher
De La Rive
De La Rue
De Launay
Deluge, The
De Morgan, A.
Denison, E.B. 
Denison, Sir W.
Denison, H.
Denmark, King of
Dent, clockmaker
Dent-dale
Devonshire, Duke of
Dobbs, pupil
Dobree, lecturer
Docks (see Harbours)
Dolcoath experiments
Dollond, instrument maker
Drainage
Drinkwater, Bethune
Double-image micrometer
Douglas, Sir H.
Dover (see Harbours)
Dublin professorship (see Professorships)
Dublin Observatory (see Observatories)
Due, Baron
Dundas, Admiral
Dundonald, Lord
Dunkin, assistant
Dunlop, astronomer
Durham observatory
Earnshaw
Earth currents
Eastons, manufacturers
Eclipses (see also Ancient Eclipses)
Edinburgh Observatory
Edmonston, Dr
Education (see University Education)
Egyptian Astronomical Tablets
Elections to societies, &c. (see also Degrees and Orders)
Electricity, atmospheric
Ellenborough, Lord
Ellis, W., assistant
Elphinstone
Encke and Encke’s Comet
Encyclopaedia Metropolitana
Engines (see Steam-engines)
Equatoreal, large
Estcourt, Col. 
Evans, lecturer
Examinations
Exhibitions and prizes
Exodus of the Israelites
Eye, defects of
Eye, estate at
Fallows, astronomer
Faraday
Farish
Farr
Fellowship
Field
Fisher
Fishmongers’ Company
Fletcher, Isaac, M.P. 
Floating Island, Derwentwater