What it says on the brace: 'Think 0.0'
From J. Dinsdale: Actually that's not a brace. That's a small crane used for lifting the pail of spikes onto the spiker.

From M.O. Brown: Yes, this machine is much easier [than the spike maul] (in railroader heaven, this machine was created on the 8th day!). The small drums are called Kegs, they weigh 200 lb. (Oh my ache'n back) and hold 240 spikes.