ABOUT ELECTRICITY.

Te Aroha News, Volume VII, Issue 416, 2 November 1889, Page 3

ABOUT ELECTRICITY.

How strong a current is used to send a message over an Atlantic cable? Thirty cells of battery only ; equal to thirty volts. What is the longest distance over which conversation by telephone is daily maintained ? About 750 miles. From Portland, Mo., ! to Buffalo, N.Y. j How many miles of submarine cable are there in operation ? Over 100,000 miles, or enough to girdlo v the earth four times. '-. H6av-Is a break in a submarine cable located^? ~''"\' • . By measuring the electricity needed to charge the remaining unbroken part. How many mileb of telegraph wire in operation in the United States '! Over 1,000,000, or enough to enciicle the globe forty limes. How mtftiy messages catv-be transmitted over a wire at one time ? s>r , -^ Four by the quadruplet' sysjie^njnow in daily use. Jjl;«i\ How is telegraphing from I£~naoy;in,s* train * accomplished? - ■ \ Through a circuit from the car roof inducing a current in the wire on poles along the track. What are the most widely separated points between which it is possible to send a telegram ? British .Columbia and New Zealand via America and-Europe. How many miles of telephone wire in operation in the United Stares ? More than 170,000, over which 1,055,000 messages are sent daily. What is the greatest candle power of arc light used in a lighthouse ? Tworaillion, in lighthou&esat Houstholm, Denraaik. How many persons in the United States are engaged in business depending solely on electricity ? Estimated, 250,000. How long doe 3 it take to transmit a message from San Francisco to Hongkong ? About fifteen minutes. Via New York, Canso, Penzance, Aden, Bombay, Madras, Penang, and Singapore. 1 What is the fastest time made by an I operator sending messages by Morse system ? ! About forty-two words per minute. i How many telephones are in use in the t United States 'i About 300,000. What war vessel has the rao3t complete electrical plant? United States man-of-war Chicago, What is the average cost per mile of a transatlantic submarine cable ? About §1,000. How many miles of electric railway are there in operation in the United States ? About 400 miles, and much more under construction. t What strength of current is dangerous to~ human life ? Five hundred volts, but depending largely on physical conditions.— 'Scribner's Magazine.'

The milliners and modistes speak with hushed voices of a faintly susceptible threatening of departure in the autumn costume. It is t"he Fifteenth century, with a bordered skirt, raised on one side, displaying an underskirt of a different colour. A very lovely tint of English rose ap pears among the new evening colours, tfc is a fascinating shade of pink, even more beautiful than tho latest shade of vieuxrose. Perhaps a blonde woman, or a brown -haired, brown-eyed one, with a fair complexion, never looks coore beautiful than when she appears in ertain delicate shade of rose colour. Health makes wealth — and there is more demand for the finished article than the raw material. It is never too late to learn — but sometimes we find nothing left to learn, except that it is too late. , He : " Whom do you think the prettiest ' girl in the room ?" She (wita a, blush) : "Well, if I was some one else, I should say I was." Charlie — How was it you didn'fc allow Miss Yellowleaf to join your female baseball club ? Jennie— Because, being an old maid, she wasn't a good catch.