Lightfoot, Rev. Dr
Lighthouses
Lightning
Lillingstone
Lindsay, Lord
Listing, Prof.
Liverpool Observatory
Livingstone, Dr
Lloyd, Dr
Lloyd, Prof.
Lockyer
Lodge
London University
London, Freedom of the City
Long vacations, with pupils
Longitude determinations
Longitude, Board of (see Board of Longitude)
Lowe, Chancellor of the Exchequer
Lubbock, Sir John
Lucas (computer)
Lucasian Professorship (see Professorships)
Lunar Reductions
Lunar Theory and Tables (see also Numerical Lunar Theory)
Lyndhurst, Lord
Lyons, Sir E.
Macaulay, T.B.
Macdonnell, Dr
Maclean, of Loch Buy
Maclear, Astronomer
Madras Observatory 101
Magnetic Observatory and Magnetism
(see also Meteorology, Compass corrections, and Earth currents)
Main, Robert
Maine Boundary (see Canada)
Maiden, Prof.
Malkin
Malta
Man-Engines (see Mines)
Manuscripts (see Papers)
Mars (see Planets)
Marshman, pupil
Marth, A.
Martin, Trin. Coll.
Maskelyne, astronomer
Mason
Mathematical Investigations (see also Appendix "Printed Papers")
Mathematical Tracts
Mathematical subjects in
Maudslays and Field
May, Ransomes and May
Medals
Melbourne University
Melville, Lord
Mercury (see Planets)
Merivale, Dr
Meteorology
Meteors
Middleton, Sir W.
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