T OIL OR TALLOW CUP. bricant into the steam chest and cylinder. The wrench, D, Tn oiling the cylinders of steam engines, while in opera- may be raised slightly without permitting the escape of tion, the ordinary single valve oil cup is not effective, as the steam, as its shank has a ground bearing… … sight had been the cause ofgrave errors on causing it to escape fromthe cap, or the annular space around railways, the companies’ surgeons at pres- ent are most particular in testing on this the cock, sometimes blowing the cap off and stripping its point the candidates for employment. Dr. thread.…
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