he levers are at right angles with either a transit or a compass, has always been in with the track, and with their inner ends so near the the necessity of calculating the course of each line, by plate, and provided at its lower end with a thumb wheel, Gr, by which it may be readily turned. The… … have determined to solicit the gov- NIXON'S COURSE READING ATTACHMENT FOR TRANSITS. ernment to allow the national ex- hibits to remain, and to station a detachment of United States soldiers in charge of from the preceding course. Especially are these calcu- lations liable to error when the addition…
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