One third new for old
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
The deduction of a third of the cost of repairs in adjusting a marine insurance loss. See 21 Pick. (Mass.) 476, 32 Am. Dec. 271.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
See New for Old.
A Dictionary of Law
Henry Campbell Black · 1891
See New For OLp. ONERANDO PRO RATA POR-