'Construments No.100 Plus Set' for building model cinematograph projectors. Containing metal brackets, screws, light bulb, assorted microscope slides. By Construments Limited, Gray's Inn Road, London, United Kingdom, 1932-1936. 'Construments No.100 Plus Set' for building model cinematograph projectors. Containing metal brackets 1932-1936
'Construments No.100 Set' and 'Construments No.100 Plus Set'. By Construments Limited, Gray's Inn Road, London, United Kingdom, 1932-1936. Construments No.100 Set' and 'Construments No.100 Plus Set' 1932-1936