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arrived in N.Y on Thursday 28th after having attended the commencement at Princeton went down to the Depot- Samples of oil for inspection had been taken - the dark room prepared but so filled with the vapour of turpentine that it could not be used immediately. Put in a furnace of charcoal to dry the paint. Commercial experiments on freezing temperature of the waters 34° 35° &c [[end page]] [[start page]] [[in pencil]] 25 subjected to the reduced temperature 15 thousand gallons of oil to be examined from the Manhatten Comp. Experimented on capilliarly. [[image - pencil drawing of seven test tubes with wicks running into each one connected by a single piece]] all run up to the same altitude but not in the same time.