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Show Improved Telegraph System. Dolanj's high-speed telegraph sys-torn, sys-torn, recently perfected, Is capable of transmitting 100 to 8,000 words a minute over a slnglo wira tho speed depending on tho dlstnnco unci the olectrlcal properties of tho line, that is on tho electrostatic capacity resistance re-sistance and lnductanco of the circuit. Eight thousand words a minute can bo recorded over a line of fifty miles, whllo 100 words would bo nbout tho limit over a No. 6 copper wire between be-tween Now York and San Francisco. |