How to Timber the Workings (Normal Pillar, Dragonfly-like Pillar, Stretcher, and Prop and Strap System Frame; Carrying a Timber)
1958 - 1963

Kiriha Shichuho (Hashira, Tombo, Sashikomi, Ninawase; Koboku Hakobi)
[How to Timber the Workings (Normal Pillar, Dragonfly-like Pillar, Stretcher, and Prop and Strap System Frame; Carrying a Timber)]
21.2 x 30.3 cm Ink Painting

1st and 2nd Pillars at the Top Right
Hashira: Normal Pillars (with a wedge on each top)

3rd Pillar from the Top Right
Tombo: Dragonfly-like Pillar

4th Pillar from the Top Right
Sashikomi: Sprag or Stretcher [half set of a frame composed of a pillar and a beam inserted into the wall on one side of a slope]

Support Unit at the Bottom Right
Ninawase: Prop and Strap System Frame

Wedges
Kamisashi matawa Yaita: Wedges Called Kamisashi or Yaita
Wakuire-yo: Wedge for Timbering Frames
Hashirauchi-yo: Wedge for Standing Pillars

Text at the Top Left
All pillars were stood on their thinner ends underground.

Text at the Bottom Left
The miner is carrying a timber to his coalface. Except for coal pits with extremely thick coal beds, there were few coal pits in which miners were able to carry their timber on their shoulder.

Tattoo on the Back of the Miner
Nam-myoho-renge-kyo: I embrace and practice the teachings of the Lotus Sutra


Translation Assisted by Mr. Nathan Johndro

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