Examples from the Web for l1
In Zeppelin L1 there were eighteen separate compartments, each of which contained a balloon filled with hydrogen gas.
When I left, none were worth less than 15s., and the fat sheep were worth L1.The Caxtons, Complete|Edward Bulwer-Lytton
Hence if l1 be a tangent, it lies in that plane τ1 which corresponds to the line S2S1 as a line in the pencil S2.
Zeppelin L1 was 525 feet in length, with a diameter of 50 feet.
The people were rude and surly, and said that the captain still owed them L1 17s.My Novel, Complete|Edward Bulwer-Lytton