10213132
Sir William Henry Preece, Welsh electrical engineer, 1899.
10213132
Sir William Henry Preece, Welsh electrical engineer, 1899.
10302572
Sir William Henry Preece, Welsh electrical engineer, 1899.
10302572
Sir William Henry Preece, Welsh electrical engineer, 1899.
10302573
Sir William Henry Preece, Welsh electrical engineer, c 1900-1910.
10302573
Sir William Henry Preece, Welsh electrical engineer, c 1900-1910.
10401722
Rowland Hill, originator of the penny post, 1848.
10401722
Rowland Hill, originator of the penny post, 1848.
10401850
Joseph Sloper, English inventor, 1873.
10401850
Joseph Sloper, English inventor, 1873.
10240902
Post Office 332 telephone, 1938.
10240902
Post Office 332 telephone, 1938.
10253886
GPO Wireless Investigation Service dectector vans, c 1920.
10253886
GPO Wireless Investigation Service dectector vans, c 1920.
10308452
Sorting out Christmas air mail for the British Empire, 30 November 1938.
10308452
Sorting out Christmas air mail for the British Empire, 30 November 1938.
10689733
Enamelled notice, unknown maker for the General Post Office  British  1910-1936
10689733
Enamelled notice, unknown maker for the General Post Office British 1910-1936
10689103
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10689103
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10689104
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10689104
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10689105
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10689105
Post Office no. 332 telephone, black, unknown maker, England, 1938.
10681108
Painswick New Street;Gloucestershire;May 1936
10681108
Painswick New Street;Gloucestershire;May 1936
10678720
Post Office: Tourists collecting mail at the post office in Scarborough, 1812.
10678720
Post Office: Tourists collecting mail at the post office in Scarborough, 1812.
10657132
Science Museum, Blythe House, 4th floor museum object storage.
10657132
Science Museum, Blythe House, 4th floor museum object storage.
10657133
Science Museum, Blythe House, 4th floor museum object storage.
10657133
Science Museum, Blythe House, 4th floor museum object storage.
10657134
Science Museum, Blythe House, 3rd floor museum object storage.
10657134
Science Museum, Blythe House, 3rd floor museum object storage.
10657135
Science Museum, Blythe House, 4th floor museum object storage.
10657135
Science Museum, Blythe House, 4th floor museum object storage.
10657136
Science Museum, Blythe House, 4th floor museum object storage.
10657136
Science Museum, Blythe House, 4th floor museum object storage.
10657137
Science Museum, Blythe House, 4th floor museum object storage.
10657137
Science Museum, Blythe House, 4th floor museum object storage.
10657138
Science Museum, Blythe House, 4th floor museum object storage.
10657138
Science Museum, Blythe House, 4th floor museum object storage.
10657139
Science Museum, Blythe House, 4th floor museum object storage.
10657139
Science Museum, Blythe House, 4th floor museum object storage.
10657140
Science Museum, Blythe House, 4th floor museum object storage.
10657140
Science Museum, Blythe House, 4th floor museum object storage.
10657141
Science Museum, Blythe House, 3rd floor museum object storage.
10657141
Science Museum, Blythe House, 3rd floor museum object storage.
10657142
Science Museum, Blythe House, 3rd floor museum object storage.
10657142
Science Museum, Blythe House, 3rd floor museum object storage.
10657143
Science Museum, Blythe House, 3rd floor museum object storage.
10657143
Science Museum, Blythe House, 3rd floor museum object storage.
10657144
Science Museum, Blythe House, 3rd floor museum object storage.
10657144
Science Museum, Blythe House, 3rd floor museum object storage.
10657145
Science Museum, Blythe House, 3rd floor museum object storage.
10657145
Science Museum, Blythe House, 3rd floor museum object storage.
10657146
Science Museum, Blythe House, 3rd floor museum object storage.
10657146
Science Museum, Blythe House, 3rd floor museum object storage.
10657147
Science Museum, Blythe House, 3rd floor museum object storage.
10657147
Science Museum, Blythe House, 3rd floor museum object storage.
10657148
Science Museum, Blythe House, 3rd floor museum object storage.
10657148
Science Museum, Blythe House, 3rd floor museum object storage.
10657149
Science Museum, Blythe House, 2nd floor museum object storage.
10657149
Science Museum, Blythe House, 2nd floor museum object storage.
10657150
Science Museum, Blythe House, 2nd floor museum object storage.
10657150
Science Museum, Blythe House, 2nd floor museum object storage.
10657151
Science Museum, Blythe House, 2nd floor museum object storage.
10657151
Science Museum, Blythe House, 2nd floor museum object storage.
10657152
Science Museum, Blythe House, 2nd floor museum object storage.
10657152
Science Museum, Blythe House, 2nd floor museum object storage.
10657153
Science Museum, Blythe House, 2nd floor corridor and stairwell
10657153
Science Museum, Blythe House, 2nd floor corridor and stairwell
10657154
Science Museum, Blythe House, basement, museum object storage.
10657154
Science Museum, Blythe House, basement, museum object storage.
10657155
Science Museum, Blythe House, basement, museum object storage.
10657155
Science Museum, Blythe House, basement, museum object storage.
10657156
Science Museum, Blythe House, basement, museum object storage.
10657156
Science Museum, Blythe House, basement, museum object storage.
10657157
Science Museum, Blythe House, basement, museum object storage.
10657157
Science Museum, Blythe House, basement, museum object storage.