The trumpet was introduced in the latter part of the 1920s to improve the sonority, that is, mainly to increase the sound.

First introduced for use in the Luger automatic pistol in the early part of the century," he says.

According to Réti the opening was introduced into master play in the early part of 1923.

Short boots, those only extending to the ankle, were introduced in the latter part of the century.

The use of enzymes for laundry was introduced in the early part of the 1900s by Otto Rohm.

In addition to steam power, municipal water systems and sewer systems were introduced in the latter part of the century.

The gyrocompass was introduced in the early part of the 20th century and inertial navigation in the 1950s.

Lyudmila is introduced in the latter part of the novel, is Vadim's key to no longer having to wait in line.

The post of circuit judge is introduced in the second part of the Act.

The White Paper is open for consultation before legislation is introduced in the first part of 2012.