| Description | The file contains material relating to testing scenery hoists, including test sheets and forms, printed information about the Witten-Kramer Type PM Magnetic Brakes. The original card folder has been disposed of. 'Scenery Hoist Testing' was written on the front cover. On the inside of the folder on the left was written, 'Note! Bottom limit of hooks set at 2'-6" above stage. Ultimate limit at 2'-0" above stage EPO limit at 1mtr above stage.' |