'Log' in the Bible

"And on the eighth day he must take two male lambs without defect and one ewe-lamb {in its first year} without defect and three-tenths [of an ephah] of finely milled flour mixed with oil [as] a grain offering and one log of oil.

Then the priest shall take the one male lamb, and he shall present it as a guilt offering, and the log of oil, and he shall wave them [as] a wave offering {before} Yahweh.

And the priest shall take {some of} the log of oil, and he shall pour [it] on his left palm;

"But if he [is] poor and {he cannot afford} [it], then he shall take one male lamb [for] a guilt offering as a wave offering to make atonement for himself and one-tenth [of an ephah] of finely milled flour mixed with oil for a grain offering, and a log of oil,

And the priest shall take the male lamb [for] the guilt offering and the log of oil, and the priest shall wave them [as] a wave offering {before} Yahweh;