pl23_ship4154.jpg
![Figure 27 ship4154.jpg Figure 27](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4154.jpg)
Description
Figure 27. Mill bottle invented by Dr. Hugh R. Mill of the Scottish MarineStation in 1884. This bottle was modified from the design of the Meyer bottleand fitted with a rubber disc to enhance its water-tightness. It also was fitted with an automatic closing device and became known as the Mill self-lockingwater bottle. Left: descending. Right: ascending.