Locomotive appliances . thesupport S, the attachment is readily removed. Itsconnection with the indicator does not in any wayinterfere with the usual speedy and convenient meansof adjusting the diagram paper to, or removing itfrom, the paper holding drum, or the changing of aspring in the instrument. It can be used on eitherright-hand or left-hand indicators with equal facilityby reversing the magnet support 5 and the magnet M,the latter being secured to its supporting shelf by twosmall screws. Any one of the well-known batteries inthe market (either dry or liquid) will be ample tooperate a si
Locomotive appliances . thesupport S, the attachment is readily removed. Itsconnection with the indicator does not in any wayinterfere with the usual speedy and convenient meansof adjusting the diagram paper to, or removing itfrom, the paper holding drum, or the changing of aspring in the instrument. It can be used on eitherright-hand or left-hand indicators with equal facilityby reversing the magnet support 5 and the magnet M,the latter being secured to its supporting shelf by twosmall screws. Any one of the well-known batteries inthe market (either dry or liquid) will be ample tooperate a single indicator where the circuit is short. THE THOMPSON STEAM ENGINE INDICATOR. The original Thomp-son indicator was pat-ented in 1875, but hasbeen considerably im-proved upon from timeto time. The radical improve-ments, as made in theold style Thornpsonindicator, consist oflightening the movingparts, substitutingsteel screws in placeof taper pins, using avery light steel link in-stead of a large brassone, reducing the. 404 LOCOMOTIVE APPLIANCES. weight of the pencil lever, also weight of squareson trunk of piston and lock-nut on end of spindle,and increasing the bearing on connection ofparallel motion. By shortening the length andreducing the actual weight of the paper cylinderjust one-half, and by shortening the bearing onspindle, also lowering the spring casing to a nearer
Size: 1310px × 1908px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectlocomot, bookyear1901
