Ads
related to: antique nautical instruments compass and arrow drawingebay.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
The traverse board is a wooden board with peg-holes and attached pegs. It is divided into two parts, upper and lower. The top part is for recording direction sailed.It has a representation of the compass rose with its 32 compass points, just as on the face of the ship's compass.
Parallel rule in plastic with aluminum arms lying on a cutting mat. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.
Navigational instruments are instruments used by nautical navigators and pilots as tools of their trade. The purpose of navigation is to ascertain the present position and to determine the speed, direction , etc. to arrive at the port or point of destination.
The circle was a 32-wind compass rose (or gathering of rhumb-lines). The circle was inscribed with an 8 × 8 square grid. The compass rose in the center can be overlooked – indeed, the circle itself can be ignored, as it seems to have no other purpose than the construction of the rays that run across the grid. [27]
A beam compass and a regular compass Using a compass A compass with an extension accessory for larger circles A bow compass capable of drawing the smallest possible circles. A compass, also commonly known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs.
Spencer, Browning & Rust was a London firm that manufactured instruments for navigational use during the 18th and 19th centuries. The predecessor company of Spencer and Browning was established by William Spencer and Samuel Browning in 1778, before they entered into partnership with Ebenezer Rust in 1784.
The construction of many early (mid-18th century) binnacles used iron nails, which were later discovered to cause magnetic deviations in compass readings. As the development of the compass and understanding of magnetism progressed, greater attention was given to binnacle construction to avoid compass disturbances caused by iron.
John Wilson Gillie was born on 31 March 1864. On 31 July 1880 he was apprenticed for four years to J.J. Wilson and Sons, Nautical Instrument Makers of Sunderland. Following the apprenticeship he spent six months to a year as an ‘improver’ in Glasgow, and then started a new company ‘Wilson and Gillie’ in North Shields.
Ads
related to: antique nautical instruments compass and arrow drawingebay.com has been visited by 1M+ users in the past month