Wooden pattern wheel from the Great Clock. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast.

Wooden pattern wheel from the Great Clock. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast.

Wooden trestle table previously stored and used in conjunction with work on the Great Clock.

Wooden Great Clock painted display section in a stretched triangular shape, with decorative painting on one side.

Set of 2, two dimensional, painted wooden bells. One is of Big Ben and the other a quarter bell, originally part of the display within the Elizabeth Tower.

Metal link from the Great Clock. With four holes in total.

Metal frame with two large screws attached to top edge anf four fixing holes to the bottom. Originally from the Great Clock.

Bracket with moveable metal frame attached. Part of the Great Clock. Includes four screws.

Cast iron bracket, with two fixing holes on the bottom end, from the Great Clock.

Great Clock twisted link cable, with fixing mechanisms on both ends.

Electric timer for the chimes of the Great Clock. It is a metal unit, in a red metal box, with an analogue clock and various square buttons to the front edge.

Plaque commemorating the 150th anniversary of the casting of the bell/Big Ben, originally on display within the Elizabeth Tower. The plaque is rectangular with curved corners and dark blue in colou...

Oil can used in the maintenance of the Great Clock, made of a silver coloured metal which tapers into a fine end.

Chime click from the Great Clock.

Westminster Heritage plaque commemorating the quatercentenary year mounted on a wooden backboard. It has an oval shaped top section with white finish and brass descriptive plate below.

Wooden signage for Big Ben hammer from Great Clock display.

Big Ben clapper display material from Great Clock exhibition space.

Tin tray from the Elizabeth Tower

Bracket from the Great Clock

Metal link bar from the Great Clock

Large screw from the Great Clock

Light fitting from the Great Clock including original cable, fitted with contemporary plug and leather strap.

Pattern wheel from the Great Clock mounted onto a white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast.

Wooden pattern wheel from the Great Clock, mounted onto white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Writing on the back of ...

Metal plate cover with pointed arch top and holes for fixings around the edge.

Metal plate cover with pointed arch top, a cut out section on the right hand side and holes for fixings around the edge.

26 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring.

30 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring. Various panes with missing corners.

15 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring.

25 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring.

28 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring. Two previously broken.

37 panes of white opaque opal glass from the dial of the Great Clock, slightly rough edging from scoring.

Metal cog from the Great Clock in two sections with connecting pole still attached.

Teeth section of a cog from the Great Clock.

Buffer from the Great Clock

Set of three sections of parts from the Great Clock.

Set of three sections of parts from the Great Clock.

Electric winding control arm from the Great Clock.

Cylindrical copper part from the Great Clock.

Hook connector in two parts from the Great Clock.

Cast iron vice post from the Great Clock with steel handle.

Wooden pattern wheel from the Great Clock, mounted on white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Unknown surface applicati...

Wooden pattern wheel from the Great Clock, mounted on white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Unknown surface applicati...

Wooden pattern wheel from the Great Clock, mounted on white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Unknown surface applicati...

Wooden plaque on a stained plywood panel defining the words and music of the chimes of Big Ben in gold Gothic text.

Wooden pattern wheel from the Great Clock, mounted on white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Unknown surface applicati...

Wooden pattern wheel from the Great Clock, mounted on white board. This pattern would have been used to create a sand mould, in which the final metal clock wheel was cast. Unknown surface applicati...

Display material within gold metal frame explaining the process of adding weight to the pendulum of the Great Clock.