A booklet containing a paper entitled The Shortt Clocks at the Royal Observatory, Greenwich by J. Jackson and W. Bowyer. This is a reprint from the Monthly Notices of the Royal Astronomical Society, Vol. LXXXVIII, No. 5. Attached is a letter forwarding the booklet from F. Hope-Jones, Managing Director of The Synchronome Company Ltd, 32 & 34 Clerkenwell Road, London, EC1 to Major Basil Binyon, O.B.E., M.A. &c, 34-35 Norfolk Street, Strand, W.C.2.