the act was silent in respect of the relatively new science of wireless telegraphy, which had not yet assumed commercial proportions but likely fell within the scope of "telegraphic". as wireless telegraphy began to display not only commercial but also defence promise, any possible uncertainty of interpretation was removed by a specific act the wireless telegraph act 1905, which placed these powers under pmg. the possible uncertainty had in no way limited the pmg's interest and participation in the new technology before 1905.