Farrow's military encyclopedia : a dictionary of military knowledge . screw at the top. This may he done hy horinj^ ahole into the cross-head and screwin); in a piece ofthree-eif^hths round iron, the outer end of which is(tatlenecl, and has an eye drilled throuf^h it, thendro[i (he taperiiiL^ stud on the out end of the paiito-LTiiph into the eye whenever it is desired to use thepaiilonraph. Fi<;. 4 shows the old-fashioned pen-iliiluMj allachiMl to a vertical i;uide or way. In thiscase, a little slot in the lower end of the pantograph. Fit. •)?is necessary ; the links may not necessarily be
Farrow's military encyclopedia : a dictionary of military knowledge . screw at the top. This may he done hy horinj^ ahole into the cross-head and screwin); in a piece ofthree-eif^hths round iron, the outer end of which is(tatlenecl, and has an eye drilled throuf^h it, thendro[i (he taperiiiL^ stud on the out end of the paiito-LTiiph into the eye whenever it is desired to use thepaiilonraph. Fi<;. 4 shows the old-fashioned pen-iliiluMj allachiMl to a vertical i;uide or way. In thiscase, a little slot in the lower end of the pantograph. Fit. •)?is necessary ; the links may not necessarily be usedin the positions shown, hut may be brought up atright angles, leaving the slot to make allowance forthe circle described. This attachment avoids drill-ing, tapping, taking out the screws that confine thegibs, or defacing the engine anywhere. On slow-moving or condensing engines these attachments canbe applied so that the i)antograph can at any time behooked on while diagrams can be takenfrom the high or low pressure cylinder, from thepmnps, standpipc, or anywhere that is is a simple little convenience, and, as has been Fif;. 1. else the diagram is worthless. The end of the postmust be high that the pantograph lies per-fectly easy and without any cross-friction 2. shows the application of the attachment to a %-
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Keywords: ., bookcentury1800, bookdecade188, booksubjectmilitaryartandscience
