... and you are hereby required without the loss of a moment to proceed to istanbul , there to receive by the offices of avraam maden , in the service of h.m. selim iii , three eggs now through agreement the property of his majesty 's corps , to be secured against the elements with all due care for their brooding and thence delivered straightaway to the charge of those officers appointed to them , who shall await you at the covert at dunbar ...