[line 1] Rule of Three An arithmetical exercise for finding a fourth, unknown number, from three given numbers, of which the first is in the same proportion to the second as the third is to the fourth.[Page 249, line 9] Rawal Pindi now usually written as Rawalpindi, then a military station in Northern India, now the seat of goverment of Pakistan.
[line 2] Tweedle-dum...Tweedle-dee Names invented by John Byron (1692-1763), to satirise two quarreling schools of music, between whom the difference was negligible. More familiar (unhyphenated) was the use of the names for two quarrelling characters by Lewis Carroll (Charles Dodgson) in Through the Looking Glass and What Alice Found There, 1871, Ch. IV.
[line 4] Polly Winkie ... Winkie Pop See the first chorus of "The Song of the Banjo" (The Seven Seas p. 78) not published until June 1895, but dated 1894 in the Sussex Edition.
[line 1] brand on my withers a broad arrow marked with a hot iron on the withers (which rise from the dip where the neck ends and rising slightly over the tops of the shoulder-blades, slope away into the back).SCREW-GUN MULES To the tune of "The Lincolshire Poacher".
[line 2] Lancers, Hussars and Dragoons Three types of cavalry each with their own proud tradition. Lancers were originally armed only with lances: Hussars were fast lightly eqipped cavalry; Dragoons originally mounted infantrymen armed with carbines, were heavy cavalry.
[line 3] 'Stables' or 'Water' Trumpet calls to signal the time to muck out (clean) stables, or take the horses to drink.
[line 7] column of squadron A field formation.
[line 3] hair-trombone The First American Edition, and early Standard editions, had 'hairy', but the First English edition and reprints of it had 'hair'.