Maintenance logs for sewing machines from the Hampstead Gown Factory
2020
Five unmounted charts on the subject of magnetism
1950-1980
[Lubrication charts for motor cars]
1954-1966
Charts from Brown's speed indicator and recorder for railway trains 1863
1864-1865
Phrenograph, by C.W. Allwood
Bencard skin test reaction charts
Charts (2) detailing chronology of development of digital electronic computers
1967-1969
Three canvas charts showing the location of all the Royal Aircraft Establishments and the personel numbers working there
1964
3 anatomical charts
Two board-mounted charts on the subject of astronomy
1950-1980
Illuminated Snellen's charts with mirror and wall bracket
circa 1930