A scarce antique Sector and Parallel rule both made by and clearly marked - C. DIXEY MATHL INST MAKER - TO HER MAJESTY NEW BOND ST LONDON. They would have originally been part of a drawing set and measure 6" long x 1 3/8" wide when closed. They have German silver electrum hinges, which are in good working condition and the sector rule retains both aligning pins. The parallel rule has a small area of roughness and a tiny chip to one corner.They date to mid 1800's and are in a good used condition, as shown in photo's. The item "ANTIQUE C W DIXEY BOND ST LONDON SECTOR SCALE RULE & PARALLEL RULER ETUI DRAWING" is in sale since Saturday, March 23, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "pmjc2000" and is located in Portsmouth. This item can be shipped worldwide.