They were pitched over the side by a modified depth charge thrower.

Two more 20mm and two depth charge throwers were added.

The four depth charge throwers were removed in 1932.

A "Y-gun" depth charge thrower was added to many ships.

Four depth charge throwers and two rails are installed on the quarterdeck.

Initially these were simply dropped off the back of a ship but then depth charge throwers were introduced.

Edison had no depth charge throwers, and was limited to a linear pattern rolled off the stern.

In addition to her armament, the Saxifrage was equipped with two depth charge throwers.

Additional torpedo tubes were installed and depth charge throwers were also included.

The ship was fitted with two depth charge throwers and one rack for 45 depth charges.

Two depth charge throwers were added during a 1918 refit; at the same time, one of the torpedo tubes was removed.

She carried four depth charge throwers and two depth charge rails.

Their anti-submarine weapons comprised two depth charge throwers for which 36 depth charges were carried.

The ship was also fitted with four depth charge throwers, with up to 70 depth charges carried.

Four 24in torpedo tubes and depth charge throwers were added as the requirements changed to a general-purpose warship.

The ships were equipped with two depth charge throwers, two racks and 42 depth charges.

Later in the ship's career, two depth charge throwers and four depth charge chutes were installed.

Two depth charge racks and up to six K-gun depth charge throwers were carried.

The ship could also hunt submarines, and was equipped with sonar, depth charge throwers and rails.

Charges could be relased over the stern via rails or fired over the side using 'depth charge throwers'.

Anti submarine armament consisted of depth charge throwers with 40 depth charges carried.

The minesweeping gear was replaced by four depth charge throwers and the ships now carried a total of 36 depth charges.

Specialized depth charge throwers were developed to generate a wider dispersal pattern when used in conjunction with rack-deployed charges.

A/S armament called for two depth charge rails and four depth charge throwers to be fitted.

One torpedo tube mounting was replaced by two 37mm guns; 20mm cannon, a 120mm star-shell gun and depth charge throwers were also installed.