forms of transmitter section working in the outer end of a horizontally swing- employing a carbon button or granulated carbon ing arm. The combined length of all these sections is placed between carbon or metallic disks, one of which five feet, so that the lamp can be placed in any part of is… … The sum of 100,000 marks is included in the German army estimates for the present year for the supply of several parts of the button are shown in the order in which they are assembled, the carbon button or gran- each battalion. An instruction has been issued deal- ing through the casing cover,…
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-589-382.webp)
