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Part of ultra sonic drilling machine

Part of ultra sonic drilling machine

Device for measuring lateral spreading of electrons

Device for measuring lateral spreading of electrons

1907-1908
Brass release device for bell jar

Brass release device for bell jar

1800-1899
Device relating to Teletypesetter

Device relating to Teletypesetter

INVOcell device for intravaginal culture of eggs and sperm during fertility treatment, consisting of an inner chamber, an outer chamber and a retention device, made by INVO Bioscience, USA, 2016-2019

INVOcell embryo culture device for IVF

2016-2019
High frequency (violet ray) device, made in USA, 1920-1955

High frequency (violet ray) device

1920-1955
Outer chamber from INVOcell device for intravaginal culture of eggs and sperm during fertility treatment, made by INVO Bioscience, USA, 2016-2019

Outer chamber for INVOcell embryo culture device for IVF

2016-2019
Electrical device for solving algebraic equations, devised by Arthur Wright, with two diagrams

Electrical device for solving algebraic equations

A wooden box with a light bulb held within a cylindrical housing, with various tubes and cables. Associated with mirror microrespirometer constructed by Norman G. Heatley and others, 1940.

Part of mirror microrespirometer

Inner chamber from INVOcell device for intravaginal culture of eggs and sperm during fertility treatment, made by INVO Bioscience, USA, 2016-2019

Inner chamber for INVOcell embryo culture device for IVF

2016-2019
Retention device from INVOcell device for intravaginal culture of eggs and sperm during fertility treatment, made by INVO Bioscience, USA, 2016-2019

Retention device for INVOcell embryo culture device for IVF

2016-2019
A device for placing rings on the feet of racing pigeons (for use with a pigeon timing clock, such as 1983-245)

A device for placing rings on the feet of racing pigeons

Lightning conductor earth: Cast iron self-watering device with grid, 1918.

Lightning conductor earth: Cast iron self-watering device with grid

1918
Unidentified incomplete optical device. Card reads :- "Optical device" A243311

Optical device, incomplete

Electrostatic indicating device consisting of two glass arms freely pivoted on a lightweight stand, Galvani collection

Electrostatic indicating device consisting of two glass arms freely pivoted on a lightweight stand

1780-1798