I’ve got a number of Smith’s gauges of largely unknown origin. Something that surprised me is the construction on a few of them is quite different from what I’ve seen in the past. Most have very simple construction, with the “movement” attached to the “can” by two screw posts, insulators, and nuts. This makes it very easy to completely remove the entire movement as a unit by simply undoing the nuts, removing the insulators, and gently lifting the movement out in a single piece. But there are one or two which have the movement secured to the can with rivets, and removing the movement requires un-soldering several wires, drilling out the rivets, and removing the movement in several pieces. Successfully re-assembling this style movement appears to me near impossible.
The question is: Was this style of gauge ever used on the E-Type, or were they used only in later models?