Mural quadrant at the Royal Observatory, Greenwich Finish:Rolled His Chancellor of the Exchequer

His Chancellor of the Exchequer

one carrying sticks

with foreground detail of the crane winding mechanism on a platform behind the instrument

reclining on a chair

Mural quadrant at the Royal Observatory, Greenwich Finish:Rolled His Chancellor of the ExchequerInterior view showing an astronomer on a flight of stairs with one hand on the wall mounted 10 foot quadrant with a telescopic sight designed for the old Royal Observatory building by Robert Hooke. A table with an inkwell, dividers and a straight rule can be seen below. Plate 3 (right half detail) from Ichnographia speculae Regiae Grenovici exquisite facta (London, 1676) a series of engravings commissioned by Sir Jonas Moore, the leading force in the