β¨ Mining regulations diagrams
GUAGE BOXES
FOR
SLUICE HEADS
[Image of a sluice box]
10 ins.
1 HEAD.
2 HEADS.
3 HEADS.
7 HEADS.
20 inches
Pressure Board 20 x 6 1/2
Opening 20 x 7
Bar 20 x 2
Pressure Bd 2 x 3 1/2
Opening 20 x 7
Bar 2, 10
20 inches
SCALE 1/6 TH OF FULL SIZE
T. HODGSON LITH
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β¨ LLM interpretation of page content
πΎ
Diagrams for Gauge Boxes for Sluice Heads
(continued from previous page)
πΎ Primary Industries & ResourcesMining, Sluice heads, Gauge boxes, Diagrams, Mining regulations
Nelson Provincial Gazette 1868, No 29