Lenk's improvements in gun-cotton manufacture, 49.
Lewes on the pressure of cordite, 175.
Leibert's treatment of nitro-glycerine, 30.
Lightning conductors for danger buildings, 10.
Liquefaction test for gelatine, 257.
Lodge on lightning conductors, 8.
Lowering of freezing-point of N.G., 21.
Lungé's nitrometer, 219.
Lydite, 156.
Manufacture of gun-cotton, 57.