Copy negative showing a flow meter.

a, a:visited { color: #1681C4; text-decoration: underline; } a:hover, a:focus { text-decoration: none; } #page-loader { display: none; } enable JavaScript

date(s):: 1937-08-19
creator(s):: Sievers Studio
subject(s):: Machinery
type(s):: Negative; Image