Fretters: Quick comparison of an older Record 36 and newer Record 36 for you as promised.
The dynamic jaw casting is a slightly different shape at the top.
The upper vice in the picture is the newer one, the obvious difference in this photo is the square v's teardrop handle boss, however if you look carefully the vice base is a different shape at it's front.
Side markings are significantly different and you can also see there is more meat to the jaws behind the jaw plates on the newer vice.
Most noticeable difference is seen from underneath, you can see the extra reinforcing at the front of the base, this was obviously a weak spot on the older design and in fact the older one had bent at this point and needed straightening. Also the thickness of the casting sides are thicker on the newer vice. If you look at the rear of the screw you can see a sleeve and a spring that acts as a shock absorber in case you yank the jaw open to quickly, on the newer vice the sleeve has been done away with and the spring is now further forward on the screw and held in place with a pin through the screw.
You can also see the two main mounting holes are now reinforced and there has been a change to the casting at the back of the dynamic jaw slide (far right of photo).
Side markings are different, and the base of the older vice is slightly higher than the new (hard to make out in the photo). Another thing that can be seen is the QR lever of the older vice is more substantial, the reinforcing web of the old QR is on the outside and can be seen in this photo whereas the newer one has it on the inside towards the vice screw.
