the 55 2nd had mechanical, and possibly some of the first 56's, and they have the same face as the later electric gauges ... you'd need to find good used if you want the mechanical style

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot