Replica of the scanning electron microscope made by D. McMullan

Made:: 1949-1952 in Cambridge

Replica of the scanning electron microscope made by D. McMullan, at the University of Cambridge Engineering Department, between 1949 and 1952

Details

Category:: Microscopes

Object Number:: 1986-250

type:: microscope

credit:: University of Cambridge, Department of Engine

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Parts

Framework of replica of scanning electron microscope by D McMullan in four pieces - table

Framework of replica of scanning electron microscope by D McMullan in four pieces - table, vertical panel, high-tension shield and bracket for display monitor

Measurements:: overall: 2140 mm x 520 mm x 300 mm,

Object Number:: 1986-250 Pt1

type:: framework

Image ©: The Board of Trustees of the Science Museum

Rack of electronics from replica of scanning electron microscope by D McMullen

Rack of electronics from replica of scanning electron microscope by D McMullen, with trunking to link to main framework

Measurements:: overall: 1825 mm x 500 mm x 250 mm,

Object Number:: 1986-250 Pt2

type:: electronics rack

Image ©: The Board of Trustees of the Science Museum

Rotary vacuum pump from replica of scanning electron microscope by D McMullen

Measurements:: overall: 270 mm x 550 mm x 220 mm,

Object Number:: 1986-250 Pt3

type:: pump

Image ©: The Board of Trustees of the Science Museum

Diffusion vacuum pump from replica of scanning electron microscope by D McMullen

Diffusion vacuum pump from replica of scanning electron microscope by D McMullen. in two parts

Measurements:: overall: 130 mm x 590 mm x 150 mm,

Object Number:: 1986-250 Pt4

type:: pump

Image ©: The Board of Trustees of the Science Museum

Mounting Bracket for Diffusion Pump from Scanning Electron Microscope by D McMullen

Mounting bracket for diffusion pump from scanning electron microscope by D McMullen

Measurements:: overall: 370 mm x 155 mm x 155 mm,

Object Number:: 1986-250 Pt5

type:: bracket

Image ©: The Board of Trustees of the Science Museum

Oscillograph camera model 1428 by AC Cossar Ltd

Oscillograph camera model 1428 by AC Cossar Ltd, London, from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 130 mm x 220 mm x 310 mm,

Object Number:: 1986-250 Pt6

type:: cameras

Image ©: The Board of Trustees of the Science Museum

Display monitor from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 230 mm x 370 mm x 240 mm,

Object Number:: 1986-250 Pt7

type:: monitor

Image ©: The Board of Trustees of the Science Museum

Two Decade Resistance Boxes Type A-25-L nos. 140791 and 140892 by Muirhead and Co Ltd

Two decade resistance boxes type A-25-L nos. 140791 and 140892 by Muirhead and Co Ltd, from replica of scanning electron microscope made by D McMullen

Measurements:: overall (each): 110 mm x 350 mm x 140 mm,

Object Number:: 1986-250 Pt8

type:: decade boxes

Image ©: The Board of Trustees of the Science Museum

Filament and high tension supply unit for electron gun

Filament and high tension supply unit for electron gun, from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 370 mm x 310 mm x 190 mm,

Object Number:: 1986-250 Pt9

type:: filament and microscope component

Image ©: The Board of Trustees of the Science Museum

Electron gun assembly with attached cable and loose glass cylinder

Electron gun assembly with attached cable and loose glass cylinder, from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 110 mm x 250 mm x 250 mm,

Object Number:: 1986-250 Pt10

type:: microscope component

Image ©: The Board of Trustees of the Science Museum

Lower (below-table) section of column

Lower (below-table) section of column, with probe insert insulated by glass cylinder, and two control rods with flexible joints from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 400 mm x 210 mm x 185 mm,

Object Number:: 1986-250 Pt11

type:: column

Centre (above-table) section of column

Centre (above-table) section of column from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 560 mm x 370 mm x 310 mm,

Object Number:: 1986-250 Pt12

type:: column

Upper Section of Column from Replica of Scanning Electron Microscope made by D McMullen

Upper section of column from replica of scanning electron microscope made by D McMullen

Object Number:: 1986-250 Pt13

type:: column

Parts of vacuum system

Parts of vacuum system, comprising base unit with gauge head, two tubes and four bellows, from replica of scanning electron microscope by D McMullen

Measurements:: overall: 240 mm x 230 mm x 180 mm,

Object Number:: 1986-250 Pt14

type:: parts

Part of vacuum system

Part of vacuum system (fits between rotary and diffusion pumps) from replica of scanning electron microscope made by D McMullen

Measurements:: overall: 280 mm x 160 mm x 270 mm,

Object Number:: 1986-250 Pt15

type:: part

Six cables from the electronics cabinet

Six cables from the electronics cabinet, two cables from the high tension suppy unit, one image signal cable, and vacuum pipe with T-junction, parts of replica of scanning electron microscope made by D McMullen

Measurements:: overall: 220 mm x 400 mm x 500 mm,

Object Number:: 1986-250 Pt16

type:: cables