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Contents

Correspondence

Correspondence pp50 - 51

doi:10.1038/scientificamerican01251868-50


Business and Personal

Business and Personal p55

doi:10.1038/scientificamerican01251868-55


Patent Notes

Patents p64

doi:10.1038/scientificamerican01251868-64


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Articles

Device for Clearing Snow from Street Railway, The Spruce Gum Business of Maine p49

doi:10.1038/scientificamerican01251868-49


Weidenman's Patent Stay for Rubber Overshoes p49

doi:10.1038/scientificamerican01251868-49a


Editorial Correspondence pp51 - 53

doi:10.1038/scientificamerican01251868-51


Editorial Summary p54

doi:10.1038/scientificamerican01251868-54


Manufacturing, Mining, and Railroad Items p54

doi:10.1038/scientificamerican01251868-54a


Recent American and Foreign Patents pp54 - 55

doi:10.1038/scientificamerican01251868-54b


Answers to Correspondents p55

doi:10.1038/scientificamerican01251868-55a


Brown & Sharpe's Improved Sheet Metal Gage p56

doi:10.1038/scientificamerican01251868-56


Anderson's Improved Method of Hanging Saws p56

doi:10.1038/scientificamerican01251868-56a


Heat Power—Its Value and Waste p57

doi:10.1038/scientificamerican01251868-57


Are Modern Mechanics Inferior? p57

doi:10.1038/scientificamerican01251868-57a


The “Angola” Accident p57

doi:10.1038/scientificamerican01251868-57b


Report of Commissioner Wells pp57 - 58

doi:10.1038/scientificamerican01251868-57c


Official Report of Patent and Claims pp59 - 62

doi:10.1038/scientificamerican01251868-59


Pending Applications for Reissues p62

doi:10.1038/scientificamerican01251868-62


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