A portable diptych sundial with compass
By BERINGER, David, [c.1750]
A proportional response
By CARY, William, [c1790-1810].
An early nineteenth century perpetual calendar
By GAUTIE: IR PS, 1812].
“The greatest globemaker of his day”
By SENEX, John, [c1730].
An 18th century waywiser
By DOLLOND, [circa 1775].
Newton’s first pocket globe
By NEWTON, J[ohn], 1783.
A deluxe, illuminated and coloured example of a rare wall calendar
By [Anonymous], second half of 16th century].