- Admiralty Board and steam hammer
- Affiffi Lalli
- Alphabet, cuneiform
- Ambidexter turning-lathe
- Amphitheatre at Nismes
- Ancestry
- Anderson, Sir J.,
- reports on Nasmyth steam-hammer
- at Woolwich arsenal
- reports on Nasmyth marine engine
- Enfield small arms committee
- Antibilious stock
- Apprentices, premium
- Archimedes' screw
- Argyll, Duke of
- Arthur's Seat
- Artists
- Assyrian roller seal
- Aston, Mr Q.C., on chilled shot
- Astronomical Society, papers for
- Astronomy, study of