This section is from the book "The Corner Cupboard; Or, Facts For Everybody", by Robert Kemp Philp. Also available from Amazon: The Corner Cupboard; or Facts for Everybody.
Harrow. The name of a very useful instrument of agriculture, employed to prepare ploughed land for the seed, and to mix the seed with the soil after it has been sown.

The latter kind is expressed in the engraving, but their structure is different, according to their purpose.
 
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