Progress is fine, but it's gone on for too long.
with apologies to Ogden Nash...
Friday, November 8, 2013
Scratching the surface
Below, what I believe to be two old surface gauges, although how you'd attach a scriber to them escapes me. Neither has any maker's information stamped on them. They bear some resemblance to the one pictured in the Billings and Spencer ad below.
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