Copy of the letter from Margaret Flamsteed to Rev Dr Mather concerning the work of her husband John Flamsteed.

Copy of the letter from Margaret Flamsteed to Rev Dr Mather concerning the work of her husband John Flamsteed, dated 22 March 1726. The original is pasted in the Bodleian Library copy of the incomplete version of the 'Historia Coelestis' published in 1712.