Figure 46 (cont.) Shaeffer and Budenberg recording manometer, mechanism above, recording graph below

Figure 46 (cont.) Shaeffer and Budenberg recording manometer, mechanism above, recording graph below. The instrument is within an enclosed case which is acted upon by water pressure. An amplification mechanism transmits the displacement to a pen which records the corresponding depth on a gridded sheet.

Photo Category: Oceanography - Historical instruments