A few newspaper excepts from FindMyPast newspapers
(Unable to access full reports and there may be more)
The dates do not seem to add up?
23 January 1863 - Durham Chronicle - Durham
Mr Robert Chambers, jun., shipbuilder, Dumbarton, has been obliged to suspend pay- ment, through losses in business.
09 November 1866 - Edinburgh Evening Courant - Edinburgh, Midlothian, Scotland
Failure of a Dumbarton Shipbuilder— Mr Robert Chambers jun., shipbuilder, Dumbarton, has found it necessary, owing to losses in business, to suspend payment. Mr Chambers has
05 March 1880 - Public Ledger and Daily Advertiser - London,
Mr. Robert Chambers, jon., Shipbuilder, Dumbarton, put into the water a powerful tug steamer, built to the order of the Queenstown Towing Company.
15 July 1880 - Daily Review (Edinburgh) - Edinburgh, Midlothia
Mr Robert Chambers, jun., shipbuilder, Dumbarton, has been obliged suspend payment
22 June 1881 - Dundee Courier - Dundee, Angus, Scotland
Mr. Robert Chambers, ]db., Shipbuilder, Dombaiton, put into the water power- Ini tog steamer, built to the order of the Queenstown Towing Company,
Also extract of this article on West Dunbartonshire website.
https://www.west-dunbarton.gov.uk/leisure-parks-events/museums-and-galleries/collections/shipbuilding/shipbuilding-dumbarton/#:~:text=By%201890%20only%20two%20shipbuilding,depended%20very%20much%20on%20them.
Cholera had visited the town in 1832, and the general sanitation of the town left a lot to be desired. By 1890 only two shipbuilding companies remained in existence in Dumbarton. These were Archibald McMillan and Son, which had been founded in 1834, and William Denny and Brothers. Both firms were important as employers, and for many years the prosperity of the town depended very much on them.
Colin