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Sectioned example of Joy's Assistant Cylinder for Slide Valves

Sectioned example of Joy's Assistant Cylinder for Slide Valves

1889
Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

Component machined on Molins system 24 unit

Component machined on Molins system 24 unit

Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

1897-1903
Metal base or part from a Nernst Electric lamp

Series of examples illustrating growth of the Nernst Electric lamp

1897-1903
Series of examples illustrating growth of the Nernst Electric lamp. Circular concrete/plaster base with bobbin and circular cylinder on top. 8 screws on the bottom of the object and three small round holes. The word 'nerod' is marked on the object with a double ended arrow crossing through the word.

Series of examples illustrating growth of the Nernst Electric lamp

Four examples of heliwire, one with tubes

Four examples of heliwire

2 examples of Paget reflection colour process.

2 examples of Paget reflection colour process.

Example, drum wound motor armature, with slotted core, 2 bhp.

Example, drum wound motor armature