Blue hardback notebook. Continued on from Notebook 26. Contains correspondence, transcripts, sketches, meetings with people and notes on wind and water mills in Cambridgeshire and Kent including Outwood; Willingham; Histon; (Kent) Benenden; Tenterden; Frittenden; Silverhill; Northiam; Icklesham; Chillenden; (Essex) Orsett; Fryerning; Stock; Mountnessing; Saling; Bocking Churchend; Upminster; (Sussex) Mark Cross; Argos Hill; Wadhurst; (Beds) Cardington Bridge; Bromham; Stevington; (Oxon) Upper Arncot.