Origin of calkin
Examples from the Web for calkin
Mrs. Jim Jones had a mirror which she had earned by selling Calkin's soap, which Sylvia considered much handsomer.
“Mrs. Jim Jones has got a beautiful one she bought selling Calkin's soap,” she said.
The Calkin's soap ware was packed away on the top shelf of the pantry.
Or, on the same branch, may be turned up a calkin of sufficient height for the purpose.
This suggests at once that a preventive is to be found in substituting a calkin that is low and square.