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  2. Seed drill - Wikipedia

    en.wikipedia.org/wiki/Seed_drill

    After this the grain is put in the hopper on top, from which the seed grains flow down to the drill which spaces and plants the seed. This system is still used today but has been updated and modified over time in many aspects; the most visible example being very wide machines with which one farmer can plant many rows of seed at the same time.

  3. Superior Drill Company - Wikipedia

    en.wikipedia.org/wiki/Superior_Drill_Company

    "The No. 2 Superior Solid Steel Frame Drill for 1892" - was a single horse/walk behind drive. Furnished with reversible pointed Pin Hoes, Spring Hoes, Pressure or gauge wheel attachment, as desired that was available in 8 to 16 hoes. Featured a detachable grass seed attachment and New Adjustable Hitch.

  4. Jethro Tull (agriculturist) - Wikipedia

    en.wikipedia.org/wiki/Jethro_Tull_(agriculturist)

    There were two boxes for the seed, and these, with the coulters, were placed one set behind the other, so that two sorts of seed might be sown at the same time. A harrow to cover in the seed was attached behind. [8] Tull also invented a turnip-drill somewhat similar to the other in general arrangement, but of lighter construction.

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  6. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  7. List of agricultural machinery - Wikipedia

    en.wikipedia.org/wiki/List_of_agricultural_machinery

    Agricultural equipment is any kind of machinery used on a farm to help with farming.The best-known example of this kind is the tractor.. From left to right: John Deere 7800 tractor with Houle slurry trailer, Case IH combine harvester, New Holland FX 25 forage harvester with corn head.

  8. Mechanised agriculture - Wikipedia

    en.wikipedia.org/wiki/Mechanised_agriculture

    A cotton picker at work. The first successful models were introduced in the mid-1940s and each could do the work of 50 hand pickers. Mechanised agriculture or agricultural mechanization is the use of machinery and equipment, ranging from simple and basic hand tools to more sophisticated, motorized equipment and machinery, to perform agricultural operations. [1]

  9. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Schematic of a machine tap. Below is a comprehensive drill and tap size chart for all drills and taps, imperial and metric, up to 36.5 millimetres (1.44 in) in diameter.. In manufactured parts, holes with female screw threads are often needed; they accept male screws to facilitate the building and fastening of a finished assembly.