A very tidy 12 inch MARPLES patent Shockproof spirit level or boat level.

The largest size of this level offered by MARPLES.

Marked 'W MARPLES & SONS SHEFFIELD ENG' with the Shamrock trade mark and 'WARRANTED CORRECT PAT No 423896' on the top brass plate.

Near complete Shockproof trade label remains on one side of the hardwood stock.

Both bubbles and tubes are intact.

Retains the majority of the original lacquer finish.

A few minor surface knocks, scratches and spots, please see images.

No previous owner's stamps.

12 inches long, 1⁷/₁₆" tall by ¹³/₁₆" at its widest point.