细节
A rope gauge
of boxwood and brass with two brass slide and tables of weight per fathom, by Thomas Bradburn & Sons, also marked P. & W. Maclellan Glasgow and Improved Gauge arranged by W.H. Laidler; two circular rules, one of contrasting woods; and an oak hand scraper (4)
of boxwood and brass with two brass slide and tables of weight per fathom, by Thomas Bradburn & Sons, also marked P. & W. Maclellan Glasgow and Improved Gauge arranged by W.H. Laidler; two circular rules, one of contrasting woods; and an oak hand scraper (4)