Bill: I guess I'd better heed that advice, sounds as though your not that far away. I'm guessing that puts you somewhere between Woodstock and London, at least within 25 miles of a straight line between the two. I'm in Strathroy. I'm originally from the Maritimes and up until 1962 all we ever saw were Ace bottom plows. IH, Massey and Cockshutt at least, each had their own version of Ace bottoms. I watch old plows quite closely, and notice here in SW ON, Ace bottoms are here but are probably only represent about 50% of old plows. The further east you go the higher the percentage of Ace bottom plows. I don't think they were ever marketed in the US, other than maybe New England. That is precisely why you got the responce you did from Allan and Sammy. The other item I should draw to your attention, and I'll use the No.8 plow for example. In the US it was called Little Genius No.8, it had diagnol cross members between the plow beams, it had one piece adjusting levers, and almost 100% IH general purpose bottoms. Here in Canada the plow built at Hamilton, was called the No.8 Tractor Plow only, (no reference to Little Genius in the manuals) it had perpendicular cross members between the plow beams, the adjusting levers were hinged in middle with 3 notches allowing one to change from a Farmall to a W series tractor and almost change the levers within operators reach, on the go. Those adjusting levers on Hamilton built plows had a reduction cog, in the actual depth settings, thus allowing closer settings. The Canadian plows could also be equiped with either Ace or IH General Purpose bottoms. You guessed it, all this fine tuning was driven by the IPM match plowing. The prependicular cross members also allowed one to change the width of cut, but usually only 2" without changing the plow bottom. The farme was adjustable from 10" to 16". Three different width bottoms were used. The smallest could be set 10", 11" or 12"; medium could be set 12" or 14" and the large one 14" or 16". Basically this design allowed a dealer to build a plow on site in his yard, to suit the customers needs.
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