. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Increased lubricating efficiency—thats what we want you to stop amoment to consider. And its amighty vital thing this problem ofhibrication. Just how vital you rea-lize when you remember that an en-gine couldnt run without it. Now Dixons Flake Graphite has some properties that no otherlubricant of equal value Graphite is a solid, it is notsubject to heat or cold, will with-stand the greatest pressures, and isunaffected by acids or alkalies. Doyou know of any oil or grease that
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Increased lubricating efficiency—thats what we want you to stop amoment to consider. And its amighty vital thing this problem ofhibrication. Just how vital you rea-lize when you remember that an en-gine couldnt run without it. Now Dixons Flake Graphite has some properties that no otherlubricant of equal value Graphite is a solid, it is notsubject to heat or cold, will with-stand the greatest pressures, and isunaffected by acids or alkalies. Doyou know of any oil or grease thatwill stand such tests? Write for our new booklet C-69on Dixons Ticonderoga FlakeGraphite—sent to you valve in use to-day is made by a firmwhich locks the rings so as to preventthe steam setting the rings out, the ex-pansion used being only the natural setof the rings. In tlie case of a slide valve locomotive,after assembling steam chest, valve, yoke,etc., and before the steam chest cover isplaced in position, the port openings arelocated as above. The various opinions inregard to valve packing strips and ringsare so numerous that the subject reallyrequires separate consideration. Packingstrips, to be a good job, should not onlyhave a perfect bearing on pressure plate,but should also make a joint -with theother strips at the ends and should be freeenough to come up against the walls ofvalve toward its centre. Tliis can easilybe tested by forcing strips down to theirnormal position. These last remarks havereference to the Richardson balance. In connection with the subject of cyl-inders and guides, comes the very import-ant one of packing for valve stems andpiston rods. If the guides ar
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