Journal of the Franklin Institute, Volume 80; Volume 110Franklin Institute, 1880 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 1-5 of 19
Page 290
... system . I feel , too , that I am speaking to those whose habit of thought fits them to con- sider the subject without bias ; mechanical engineers , of all men using weights and measures , are the ones most eager to adopt ... Metric System .
... system . I feel , too , that I am speaking to those whose habit of thought fits them to con- sider the subject without bias ; mechanical engineers , of all men using weights and measures , are the ones most eager to adopt ... Metric System .
Page 293
... in all parts , except where screws and screw threads are needed . Screws to be cut on existing lathes cannot be conveniently figured metrically , unless we adopt the custom of some German Nov. , 1880. ] 293 Sellers - The Metric System .
... in all parts , except where screws and screw threads are needed . Screws to be cut on existing lathes cannot be conveniently figured metrically , unless we adopt the custom of some German Nov. , 1880. ] 293 Sellers - The Metric System .
Page 294
... system in use there ; it will have 8 threads per inch and consequently 8 threads per diameter ( I will explain this later ) . Screws cannot be metrically divided until metrically divided lead screws have been originated ... Metric System .
... system in use there ; it will have 8 threads per inch and consequently 8 threads per diameter ( I will explain this later ) . Screws cannot be metrically divided until metrically divided lead screws have been originated ... Metric System .
Page 296
... system in use before the work can be begun to advantage . Year by year this harmony in shop sizes in America spreads over a larger area . Entire harmony in essential points exists in many of the leading shops . There are ... Metric System .
... system in use before the work can be begun to advantage . Year by year this harmony in shop sizes in America spreads over a larger area . Entire harmony in essential points exists in many of the leading shops . There are ... Metric System .
Page 300
... metric multiplication must be still further multiplied by the specific gravity of bricks , thus : 1.5 X 1.5 × 3 × 1870 = 12,622.5 kilos , while our mason's sum would read 5 × 5 × 10 × 125 = 31,250 pounds of common hard bricks , with an ...
... metric multiplication must be still further multiplied by the specific gravity of bricks , thus : 1.5 X 1.5 × 3 × 1870 = 12,622.5 kilos , while our mason's sum would read 5 × 5 × 10 × 125 = 31,250 pounds of common hard bricks , with an ...
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