The 1903 BHE on p. 1 had similar dimensions: 1 5/8" DAC and 2 3/8" DAH.
Her Lancasters were manufactured 1886 or 1887.
Things do change with our faces over time - compare the c. 1885 pic with the 1899 pic on p. 2

Her Ithaca 4E SBT was ordered with 1 1/2" drop at the face (or comb?) and 2 1/4" drop at the heel, LOP 14 1/4" on 11/19/15 and shipped to her on 1/3/16.