DCHP-1 Online
jammer Lumbering 
n. a hoist used in loading logs.
- 1955 Some 200 men have been working since early Fall and this force will be maintained until the end of the haul. About 28 teams of horses, 20 trucks, 6 tractors, two draglines, and two jammers are being used.
- 1966 We loaded with a jammer and logs were hoisted onto the sleigh by a cross haul team.
- 1955 Some 200 men have been working since early Fall and this force will be maintained until the end of the haul. About 28 teams of horses, 20 trucks, 6 tractors, two draglines, and two jammers are being used.