Document. Invitation to Mr. T. Langdon to a ''Conversazione'' from the Council of The Institution of Electrical Engineers on July 1st 1902.document, memo, invitation to mr. langdon

Document. An invitation to Mr. T.R.Langdon to an evening Reception to meet the Duke and Duchess of Cornwall and York, during the Celebration of the opening of the Parliament of the Commonwealth of Australia. 9th may 1901.document, memo, invitation to mr. langdon

Document. Invitation to Mr. T.R.Langdon to witness the Opening of the Parliament of the Commonwealth , 9th may 1901.document, memo, invitation to mr langdon

Document. Illuminated Souvenir Invitation to family of Mr. Thomas Langdon to the Public Reception of Rear Admiral Sperry and the Officers, Sailors and Marines of the Fleet of the United States of America, Melbourne August- September 1908.document, memo, souvenir invitation

Document. Illumination invitation mounted on board. Invitation to Mr. T.R.Langdon to meet the Duke and Duchess of Cornwall and York 1901, (see 6566.11 - personal invitation card). Souvenir copy of the Invitation with coloured Illustrations.document, memo, souvenir invitation

Document. Illuminated invitation with brown paper backing. Invitation rto Mr. T.R.Langdon to attend a ''Conversazione'' in the Exhibition Building in Melbourne on the 7th May 1901. Souvenir copy of the Invitation with coloured Illustrations. Several notes and words written in pencil on the back.document, memo, souvenir invitation

Document. Illuminated invitation with brown paper backing. Invitation to Mr. T.R.Langdon to the Celebrations in Melbourne in connection with the Opening of Parliament of the Commonwealth of Australia.document, memo, souvenir invitation