File:Working inside the bell on the sea floor.jpg

{{Non-free use rationale 2

|Description = Working inside the bell of the Admiralty's Air Lock Diving-Bell Plant on the sea floor in Gibraltar harbour

|Source = https://web.archive.org/web/20040726095307/http://www.mcdoa.org.uk/Getting_Down_to_the_Job.htm

|Date = 1969

|Author = Gibraltar Chronicle

|Article = Air Lock Diving-Bell Plant

|Purpose = For visual identification of the object of the article. The article as a whole is dedicated specifically to a discussion of this work.

|Replaceability = n.a.

|Minimality = Vessel scrapped. Photo taken in a restricted place, with special permissions of the owner required, not accessible to the public.

|Commercial = n.a.

|Other information = To support encyclopedic discussion of this work in this article. The illustration is specifically needed to support the following point(s):

}}

{{Non-free historic image}}

{{Category ordered by date|Non-free files uploaded as object of commentary|2019|06|14}}