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after being started must suffer no interruption There should be furnished duplicate parts which can readily be substituted for any that may give out After all he thinks Roper's Engine better than Erickson's - Both in his opinion are going ^[[insertion]] out [[/insertion]] of use in Boston and in Portland - Not on account of the fuel used but the expense of repairs and renewall of parts. They do not do as much work ordinarily as they are rated to do. [[end page]] [[start page]] [[page number in pencil]] 9 The arrangement for opening the valves of the trumpet is defective [[strikethrough]] It must move a [[/strikethrough]] The ratchet wheel must move with so much friction on its axis to enable it to hold its own that it impedes the engine and is liable to be broken as it was in this case Mr Foster thinks an ordinary steam engine with boilers with large steam space and little water surface would be surely managed not liable to get out of order No difficulty in regard to
Transcription Notes:
There appears to be older writing beneath this.