http://www.ebay.com/itm/RARE-VINTAGE...vip=true&rt=nc
Check this link as it's an ended eBay auction that had an incomplete jack with handle. There are a couple of jacks which fit the Dingo bracket which were both made by this same company. Mine has the same month and year as this one that recently sold. I'm on the road until this weekend but can shoot photos of mine once home if you need to see what the top extension looks like since the eBay example is lacking that part. Can also get you measurements at that time if nobody else helps out before then. Assuming of course you have this same type jack and not the earlier war pattern or the postwar type.
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David Gordon - MVPA # 15292
'41 Willys MB British Airborne Jeep
'42 Excelsior Welbike Mark I
'42 BSA M20 Motorcycle
'43 BSA Folding Military Bicycle
'43 BSA M20 Motorcycle
'44 Orme-Evans Airborne Trailer No. 1 Mk. II
'44 Airborne 100-Gallon Water Bowser Trailer
'44 Ford T-16 Universal Carrier
'44 Jowett Cars 4.2-Inch Towed Mortar
'44 Daimler Scout Car Mark II
'45 Studebaker M29C Weasel
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