lace-making
  Loughton, Bucks 5/5
  N Bucks and S Nhants 7/13
  Towcester 7/8
Lacey Green, Bucks; windmill 15/9; 16/1A
Lacock Wharf and Lock, Wilts 9/5
Lake, John, of Hargrave, Nhants 13/16
Lamb, Brian 12/2
Lampitt & Co, of Vulcan Foundry, Banbury 2/5; 4/4; 6/18
  steam table engine 1/3; 6/12, 17
Lamport, Nhants; brickworks 13/16, 18
Lancashire and Corby Steel Manufacturing Company 11/33
Lancashire Steam Motor Company lawn-mower 9/16
Lancashire Steel Corporation 11/25, 33
Lane, Joseph and Robert, millers of King's Sutton, Nhants 12/29
Langford, W.; sketches of mills in Witney, 1870 10/2
Lankester & Wells, wine and spirit dealers of Northampton 14/21, 22
Larking, K.A. 4/4; 9/10
lathes
  Bucklebury, W. Berks 13/6
  Hayes Boatyard, Stony Stratford 6/5
Law, G.T. & Son, rugby boot makers, Towcester, Nhants 15/8
Latton, Wilts, canal at 9/6
Law, John, miller of Middleton Cheney, Nhants 12/16
lawn-mower, steam driven 9/16
Lawrence, Albert, miller of Greens Norton, Nhants 12/14
Lawrence, Alfred, miller of Slapton, Nhants 12/34
Lawrence, P.W. 13/29
Laws, P.G. 1/1, 2; 2/1-2
  Industrial Archaeology in Bedfordshire 1/2; 2/2
Laycock, John & Sons, St Edmunds Road, Northampton 11/10
Leagrave and Luton Light Railway, Beds 6/13; 8/14; 9/1-2
leather industry 15/13
  currying 12/37; 15/13
  Ecton, Nhants 12/26
  fellmongering 9/15; 12/34
  methods and processes 15/13
  Northampton 16/11, 13
  Rushton, Nhants 12/34
  Wellingborough, Nhants 10/17-18; 12/37
  see also boot and shoe manufacture; tanning
leatherwork, conservation of 13th-century from Oxford 15/15
Lee, Harry, of Bradford, Yorks, fairground steam yachts 6/12
Lee, James, miller of Long Buckby, Nhants 12/30
Leeds, W Yorks; tanning industry 15/13
Leeson, J., brickmaker and builder of Braunston, Nhants 13/12
Leeson, Thomas, miller of West Haddon, Nhants 12/19
Leeson, Thomas, miller of Winwick, Nhants 12/38
Legg, E. 3/4
Leicester
  Museum of Technology for East Midlands 9/15
  tanning industry 15/13
Leicestershire and Northamptonshire Union Canal 9/12-13
Leighton Buzzard, Beds
  brickworks 16/15
  Leighton Buzzard and Hitchin Light Railway plans 11/14-16, 40
  Leighton Buzzard Light Railway 7/10-11; 10/14; 11/40; 16/15
  LNWR and LMSR Leighton and Dunstable line 10/14
  sand quarries 2/2; 7/10-11; 10/13-14; 11/14, 15, 16, 40; 16/15
Leleux, Sydney A.
  'Desborough 'Co-op' Pits' 3/4
  'Industrial Railways of Bedfordshire: Sundon Cement Works' (reviewed)
      16/15
  'Leighton Buzzard Light Railway' 7/10-11
Lewis, Dr M.J.T.
  conference presentation
Lewis, C. & E., of Towcester 7/8
Lewis, D., of Mid-Northamptonshire Water Board 4/4
Lewis, Dr M.J.T. 1/2; 2/2; 3/1, 3; 5/3-4
  'Flashlocks on English Waterways - A Survey' (with P.N. Jarvis and W.N.
      Slater; reviewed) 10/12-13
lift, water-balanced; Islip Ironworks, Nhants 11/23
lift balance weights, Hunsbury manufacture of 12/6
Light Railway Commissioners 11/14, 15
Lightfoot horizontal ammonia compressor 14/22
lighting, public 8/9, 10; 12/4
Lilford, Nhants; watermill 12/29
Lilleshall Company blowing engines
  Finedon, Nhants 11/21
  Kettering, Nhants 11/28, 29
Lilley, James, brewer of Milton Malsor, Nhants 14/15, 27
Limbury Parish Council, Beds 9/2
lime light, ploughing by 6/3
limekilns and lime burning
  A508 Roade-Stony Stratford (753507) 6/11
  Aynho, Nhants 13/11
  Cottingham, Nhants 15/11
  Dancer's End Pumping Station, Herts 9/9
  Denford, Nhants 13/14
  documentary evidence on Nhants 15/11
  farms' small-scale burning 16/2
  Fawler, Oxon 16/11, 12
  Greens Norton, Nhants 7/5
  Hopping Hill, Nhants 13/16
  Ivinghoe Aston, W. Berks 9/10
  Nether Heyford, Nhants 15/11
  Northampton 13/20
  Paulerspury, Nhants 7/5
  Raunds, Nhants 13/21, 22
  Towcester area 7/5, 6
  Wollaston, Nhants 13/26
Limekiln Lock, Wilts and Berks Canal 9/3
limestone quarries
  Carrol, Nhants 11/30
  Corby, Nhants 11/27
  documentary evidence on Nhants 15/11
  Fawler, Oxon 16/11, 12
  Islip Iron Co 10/9-10
  Nine Churches Iron Ore Co Ltd, Nhants 11/21; 13/32
  Stanwick, Nhants 11/30
  Wellingborough, Nhants 11/30
Lincoln; floating shop on canal 9/16
Lincoln College, Oxford 13/4
Lincolnshire 9/16
  ironstone quarries 9/16
Liner family, Nhants brickmakers 13/14, 22-3
Liner, William (jr), miller of Rothwell, Nhants 12/33
Linnell, Mrs Sarah & William, brewers of Syresham, Nhants 14/24, 27
Linnit, Joseph, miller of Naseby, Nhants 12/16
Linslade, Beds; coal tramway 3/1
Lister diesel engine
  Cote Farm, Oxon, locomotive 9/18
  Tingewick Mill 9/9; Works No 31 11/14
  Towcester Mill & Trading Company 9/11
listing of buildings 5/5; 6/18
Litchborough, Nhants
  brewery 14/14, 17
  Pettifer & Co veterinary medicine producers 7/9
Litchfield, Frank, miller of Muscott, Nhants 12/30
Litchfield, Joseph, miller of Hollowell, Nhants 12/15
Little, John, miller of Bozeat, Nhants 12/12
Little Addington, Nhants
  dovecote 9/12
  watermill 12/21, 29
Little Barford, Oxon
  watermills 1/4; 10/3
Little Billing, Nhants; watermill 12/29
Little Bowden, Leics; brickworks 13/18
Little Harrowden, Nhants
  brickworks 13/18
  windmill 12/13, 15
Little Houghton, Nhants
  windmill 12/13, 15
  see also Clifford Hill
Little Irchester, Nhants; Victoria Mills 8/15
Littledale, E.H., of Hayes Boatyard, Stony Stratford 6/5
Livesey washers, Banbury gas works 8/10
livestock farming, intensive; Buscot Park, Oxon 6/3
Lloyd, Samuel 11/26, 30
Lloyd & Lloyd Ltd, tubemakers of Birmingham 11/26, 30
Lloyds Ironstone Co Ltd 11/24, 27, 30, 30-1
LNWR see London and North Western Railway
locks
  flash 10/12-13; Buscot Park, Oxon 6/2
  Grand Junction Canal, flight of 8 (723562) 6/9
  Grand Union Canal, Northampton arm 2/5
  pound, Buscot Park, Oxon 6/2
  on Wilts and Berks Canal 8/3, 4; 9/3-6
locomotive sheds
  Burton Latimer, Nhants 7/14
  Cransley, Nhants 11/28
  Islip Ironworks, Nhants 11/25
locomotives
  at Banbury and Irchester quarries 14/29
  Barclay No.9 10/16
  De Winton & Co CHALONER, Leighton Buzzard Light Railway 16/15
  diesel, Raunds, Nhants 13/21
  Greenwood & Bately Ltd battery electric No.1210, Luton Generating Station
      8/13
  Hunsbury Hill tramway, reduced-height 6/10
  JACKS GREEN, Nassington quarries 16/16
  Kerr, Stuart & Co Ltd 'Wren' class PIXIE 16/15
  Lister diesel, Cote Farm, Oxon 9/18
  Manning Wardle 13/17; No. 14 10/16
  MAUD, Irchester quarry 10/15
  model, 'Charles Dickens' and 'Duchess of Montrose' 13/31
  Preserved Locomotives in the British Isles (reviewed) 15/17
  Quainton Railway Preservation Centre, Bucks, holdings 14/29-30
  RING HAW, Nassington quarries 16/16
  Ruston Hornsby diesel, Brixworth 13/27
  scrapped, at Cransley, Nhants 11/28
  steam, Irchester quarries, Nhants 10/16
Loddington, Nhants
  ironstone quarry 10/16-17; 11/27
  railways 10/16-17
Lodge Plantation Quarries, Stowe Nine Churches, Nhants 3/3; 11/20
London; Metropolitan Railway 9/2
London and Birmingham Railway 2/3; 10/3-5
  at Blisworth, Nhants 5/3; railway houses and bridge 6/11; wagon repair
      works 5/2, 3
  Denbigh Hall, Bucks, bridge 2/4
  Gayton Junction, sleeper blocks 6/9
  Higham Ferrers station 12/40
  Irthlingborough station 12/39
  New Bradwell, houses 5/5
  Roade cutting 6/11
  Wolverton Works 1/3; 2/3; 5/5; 10/4; 12/5; film 5/4; 10/3-5
London Brick Company's Arlesey Block Works 4/3
London and North Western Railway 10/3-5
  Blisworth-Peterborough 6/10; 10/14
  Hardingstone, Nhants 14/8, 9
  Heyford, Nhants 11/20
  Leighton Buzzard and Hitchin Light Railway and 11/14, 16, 40
  Nassington, Nhants 16/16
  New Bradwell houses 5/5
  Roade, Nhants 6/11
London Railway Preservation Society 10/16
Londonthorpe Watermill, Lincs 9/16
Long Buckby, Nhants
  brewery 14/14-15, 17
  brickworks 13/18-19
  bridge across canal 13/19
  Charter Fair 12/9
  mineral water manufacture, Walker & Soames 14/15
  Newitts' workshops 13/29
  watermills 7/15; 12/21, 30
  windmills 7/15; 12/13, 15
  woolcombing 6/16; 13/29
  Yorke's boot and shoe factory 10/18
Longcot, Oxon; Wilts and Berks Canal 9/4
Longland, Francis, miller of Whiston, Nhants 12/37
Longland Brickyard (Red Shuter Hill), W. Berks 16/2, 5
Loughton, Bucks; lace-making 5/5
Lousley family of Hampstead Norris; cast iron tomb 13/7
Love family of Raunds, Nhants 13/21
Loveday, R., of Islip, Nhants, rush collar and matting manufacturer 8/15
Lovesay, John, of Syresham, Nhants 13/24
Low, J., brewer of King's Cliffe, Nhants 14/14, 27
Lower Boddington, Nhants; brickworks 13/19
Lower Thames Navigation 14/4
Lower Winchenden, Bucks; watermill 9/9
Lowick, Nhants; watermill 12/21, 30
Lowke, J.T., of Northampton 12/6
Ludlam, Jos, brickmaker of Stoke Bruerne, Nhants 16/1A
Lumby, Mr, of Wothorpe 13/27
Luton, Beds
  Luton Generating Station 8/13
  and Leagrave and Luton Light Railway plans 9/2
Lutyens, Sir Edwin 3/2; 11/12
Lyveden, Nhants; medieval industries 15/12