If you have a large garden, this old-time tool can really reduce weeding chores. T. Greiner describes it in his book, How to Make the Garden Pay, published in 1890:

But the tool of all tools, the modern weed slayer, the great labor saver, the greatest horticultural blessing of the age — that is the modern wheel hoe. This above all others frees the gardener from undesirable work, cuts down the labor account one-half, and makes tillage light and pleasant. The advantages connected with the possession of one of these tools cannot be overstated, nor emphasized too strongly, nor told too frequently. This tool reduces the unpleasant task of weeding to a minimum. Now the half-grown boy runs the wheel hoe up and down the rows of vegetables ‘for fun’ and recreation, and accomplishes in one-half hour what a man with a hand hoe could not perform in a whole day.