. Annals of horticulture in North America for the year ... : a witness of passing events and a record of progress. Fig. 14. have Fig. 15. cast. Its essential features are aring to hoist it by, andgrooves in the sides inwhich to slide the tonguesI attached to the uprights. Tof have the dump self-acting,the hook must be made ofthe precise pattern shown. 368 Annals of Horticulture. Any blacksmith can reproduce it. The hook is pulled downto the weight resting on top of the post, and slipped into itsring. As the weight is hoisted, the hook-ring will be seen to remain at the left-hand. end ofshown,r


. Annals of horticulture in North America for the year ... : a witness of passing events and a record of progress. Fig. 14. have Fig. 15. cast. Its essential features are aring to hoist it by, andgrooves in the sides inwhich to slide the tonguesI attached to the uprights. Tof have the dump self-acting,the hook must be made ofthe precise pattern shown. 368 Annals of Horticulture. Any blacksmith can reproduce it. The hook is pulled downto the weight resting on top of the post, and slipped into itsring. As the weight is hoisted, the hook-ring will be seen to remain at the left-hand. end ofshown,reachedwhich it the slot, asWhen it hasthe height at is desired to drop the weight, the longtongue of the hook tripsagainst a rod or slat ex-tended across the framefor the purpose, and ispulled down. This actlets the weight slide tothe left, and the hook-ring to the right in theThe weight is thus freed and falls


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Keywords: ., bookaut, bookcentury1800, bookdecade1880, booksubjecthorticulture