A C19th medical instrument i. Surgical Trephine or Trepanning tool used to remove a circle of bone or tissue. This instrument is made from brass and steel and has a cylindrical blade and the loosening of the knurled brass knob at the side enables a sharp steel spike to be moved up and down in the centre. The instrument has a total length of 4.5 in (115 mm) with the spike unextended and the handle has a maximum width of 4.25 in (105 mm).It is in very good condition with no damage and would make a great addition to anyones collection, display etc... The item "C19TH FINE ANTIQUE MEDICAL BRASS & STEEL TREPHINE OR TREPANNING TOOL/INSTRUMENT" is in sale since Tuesday, September 11, 2018. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "bizzy-lizzy99" and is located in GARSTANG. This item can be shipped worldwide.