File of graphs and charts produced by GE Perry

Contains leap second on paper tape, ASTRA 1C 1/100th scale plan for a model, observation of Comet Kohoutek (info for press 6 Jan 1974), observations of Comet Austin 15 Mar to 19 May 1990, observations of Comet Halley 27 Dec & 28 Dec 1985, NASA Teachers Guide regarding Human Mass Measurement and GE Perry’s graph and calculations as a teaching aid, invitation from Jonathan Ball to lunch during early days of The Eden Project concept in GE Perry's capacity as Space Consultant to ITN.