86 | Scientific American. [AuGuUST 11, 1877. the cylinder and causes it and the toothed POSTAGE STAMP CANCELLER. … blocks, a second ora third action of the possible to reunite them, and thus the had until the log is in the right position on By no cancelling stamps being employed, the contents of lettersare not liable to injury from blows | by an elastic band of thin rubber, which is sufficiently yield- given in…
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