Size 100mm dia . made of gunmetal with metal circle graduated to full degree with two bubble and bar needle fitted with real agate stone to give very accurate bearing, supplied, in leather/ F.R.P. case and with ball and socket head.
Size 100mm dia . made of gunmetal with metal circle graduated to full degree with two bubble and bar needle fitted with real agate stone to give very accurate bearing, supplied, in leather/ F.R.P. case and with ball and socket head.