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water must be be soft. If limy will encrust and injure the boiler cannot be scaled off too small to get in. water should be blown off the boiler after use and the metal kept dry to prevent rusting,
Mr Roper could not hear the whistle 3/5 of a mile and found the interval 1 1/4 minutes
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[[page number in pencil]] 47
Mr Roper proposes that we increase the air chamber of the engine 4 times. also to increase the interval and thus to increase the capacity of the horn.
It is understood that the engine now at Portland intended for Boon Island is to be sent to [[strikethrough]] [[?]] [[/strikethrough]] [[insertion]] Mr Ropers [[/insertion]]and supplied with