A fine early 19th-century lacquered brass surveying level, signed on the telescope Watkins & Hill, Charing Cross, London, the telescope with rack and pinion focusing lens hood, dustslide, cross-wine adjusters, and bubble-level mounted on the limb via two clamps, the near clamp with vertical adjustment, on four-screw tripod attachment with makers trade-label in fitted mahogany case 11¾in. (29.8cm.) wide