The oxcidised brass three-circle frame with arc signed De Kemel Frres Anvers and numbered 4831, the inset silvered scale divided 5- 0- 150, the vernier with clamp, tangent screw adjustment and swivel magnifer, seven shades, two mirrors, telescope and teak handle, contained within a fitted box (old wears) 24.5cm. wide
Details
AN EARLY 20th CENTURY 16cm. RADIUS VERNIER SEXTANT BY KEMEL
The oxcidised brass three-circle frame with arc signed De Kemel Frres Anvers and numbered 4831, the inset silvered scale divided 5- 0- 150, the vernier with clamp, tangent screw adjustment and swivel magnifer, seven shades, two mirrors, telescope and teak handle, contained within a fitted box (old wears)
24.5cm. wide
The oxcidised brass three-circle frame with arc signed De Kemel Frres Anvers and numbered 4831, the inset silvered scale divided 5- 0- 150, the vernier with clamp, tangent screw adjustment and swivel magnifer, seven shades, two mirrors, telescope and teak handle, contained within a fitted box (old wears)
24.5cm. wide