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Scientific American, Vol. 21, No. 19 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 21, No. 19 (1869), 1869, leaf 7
le- ———___ & graph lines of North Germany. He, on the other hand, will IMPROVEMENT IN DETACHABLE ‘CALKS {FOR HORSE- make the arrangements necessary for guarding against the SHOES, malicious destruction of the cable, and for protecting it The incorpor- ators may lay the line direct without touching… … Visits of inspection made, 357; boilers examined, 541 ; ex- and we need not therefore repeat at present what we have said in the International Telegraph Convention, made at Vienna ternal examinations, 471; internal examinations, 176; num- in 1868, no higher rate will be charged than that adopted by…

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