. Railway master mechanic . unded bias of some foreman, or by the and that lu foil short of this average fhisaverairpunreasoning and baseless prejudice of some unintel- I however, was at what we call a fair, ordinary grinder. In the rarest of cases can either sure. Xow. in many cases the workman is not satts-buyer, foreman or grmder give any specific state- lied with the small product, and to secure a greaterment. as to the product of_ any_^wheel or the cost of | applies more pressure. This pressure soon exlTrusts , and he then gets rest and change of work bytopping the machine and
. Railway master mechanic . unded bias of some foreman, or by the and that lu foil short of this average fhisaverairpunreasoning and baseless prejudice of some unintel- I however, was at what we call a fair, ordinary grinder. In the rarest of cases can either sure. Xow. in many cases the workman is not satts-buyer, foreman or grmder give any specific state- lied with the small product, and to secure a greaterment. as to the product of_ any_^wheel or the cost of | applies more pressure. This pressure soon exlTrusts , and he then gets rest and change of work bytopping the machine and proceeding to chiporhack , yet, as a general rule, increased wheel con- >Q implies increased product. So marked is 3 that it may be safely assumed that any ■hich is notable for its durabilty will be a ly slow grinder. If we seek for an intelligible reiison why the mere workman should prefer a slow cutting wheel, we can ^ ■ tt is, that sometimes it appears iin --, and afford relief from the ii. But this is an appear-. 110,000 LBS. JOURNAL characteristic of a first class solid emery wheel, andthe value of some wheels has been boasted of becauseit was claimed that water would flow through then>,and that you could blow through them. Value isset upon some solid emery wheels because they aresaid to be composed entirely of mineral ingredients,and to contain no glues nor gums. Some are usedon account of faith in the special brand of emerythey are said to contain, while the virtue of othersis based on the peculiarity of what is called thebond. At one period the sonorous name of itacol-umite was a terror to emery wheel salesmen, and inthe unknown they found the immense. At anothertime infusorial earth was the great bugbear, andthe wheel which had this for its bond was lookeduix)n as the rising sun in the emery wheel \t one lime the name of Goddard was a magic such product. Singular as it may appear, even th(system of paying for grinding by the piece does notlead
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Keywords: ., bookcentury1800, bookdecade1870, bookidr, booksubjectrailroadcars
