Direct reading pH meter
Direct reading pH meter, model 23, (serial no.23224). E.I.L., Richmond, Surrey, 1947-1960
Collection of instruments made by Electronic Instruments Ltd
- Made:
- 1946-1965
Collection of instruments (pH meters etc) made by Electronic Instruments Ltd (E.I.L) 1946-1965 (60 items)
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1984-635
- type:
- ph meter
- credit:
- Kent Industrial Measurements
Parts
Direct reading pH meter
Direct reading pH meter, model 23 A, (serial no.233993A). E.I.L., Richmond, Surrey,
Industrial pH transmitter
Industrial pH transmitter, model 28, (serial no.281) for automatic recording and control of pH. E.I.L., Richmond, Surrey, c. 1950
- Object Number:
- 1984-635/3
- type:
- ph meter and ph transmittor
- Image ©
- The Board of Trustees of the Science Museum
Industrial pH meter
Industrial pH meter, model 28A. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/4
- type:
- ph meter
Two industrial pH meters
Two industrial pH meters, model 28AM (serial nos.285 AM and 2841 AM). E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/5
- type:
- ph meter
Portable pH meter
Portable pH meter, model 42. E.I.L., Richmond, Surrey
pH meter
pH meter, model 2320, (serial no. 23284B) E.I.L., Richmond, Surrey
Portable pH meter
Portable pH meter, model 3030, in carrying case with accessories. E.I.L., Richmond, Surrey, 1979
E.I..L. portable pH meter
E.I..L. portable pH meter, model 3050, (serial no. 997571) in plastic case. Made in Taiwan
pH meter model 7010. E.I.L., Richmond, Surrey
pH meter model 7010. E.I.L., Richmond, Surrey
pH meter model 7020. E.I.L., Richmond, Surrey
pH meter model 7020. E.I.L., Richmond, Surrey
Laboratory pH meter model 7030
Laboratory pH meter model 7030, (serial no. 7030 0018). E.I.L., Richmond, Surrey
Vibret laboratory pH meter (serial no.466 64A). E.I.L.
Vibret laboratory pH meter (serial no.466 64A). E.I.L., Richmond, Surrey
pH controller model 90A (serial no. 922 98A). E.I.L.
pH controller model 90A (serial no. 922 98A). E.I.L., Richmond, Surrey
pH controller model 91B. E.I.L., Richmond, Surrey
pH controller model 91B. E.I.L., Richmond, Surrey
pH controller (ON/OFF) model 92A
pH controller (ON/OFF) model 92A, E.I.L., Richmond, Surrey
pH controller (two-term) model 92C (serial no. 92 362C). E.I.L.
pH controller (two-term) model 92C (serial no. 92 362C). E.I.L., Richmond, Surrey
pH calibration unit model 77 (serial no. 7763) mounted in wooden carrying box. E.I.L.
pH calibration unit model 77 (serial no. 7763) mounted in wooden carrying box. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/18
- type:
- ph calibration unit
- Image ©
- The Board of Trustees of the Science Museum
pH alarm unit (high/low pH) model F.28 (serial no. 140 3588/F28 257). Made by Evershed and Vignoles Ltd
pH alarm unit (high/low pH) model F.28 (serial no. 140 3588/F28 257). Made by Evershed and Vignoles Ltd, for E.I.L.
- Object Number:
- 1984-635/19
- type:
- ph alarm unit and ph meter
- Image ©
- The Board of Trustees of the Science Museum
Two volumetric titration units for use with model 24
Two volumetric titration units for use with model 24, one mounted on stand with stirrer. ( serial nos. 24310059, mounted and 24310018)
- Object Number:
- 1984-635/20
- Image ©
- The Board of Trustees of the Science Museum
Three pH electrodes
Three pH electrodes (serial nos. 3005/300, RH 23/1 and TQ 28B)
- Object Number:
- 1984-635/21
- type:
- ph electrodes
pH electrode for high temperatures (serial no. 1027/900). E.I.L.
pH electrode for high temperatures (serial no. 1027/900). E.I.L., Richmond, Surrey
Continuous flow electrode system for monitoring pH
Continuous flow electrode system for monitoring pH, model A28. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/23
- type:
- electrode system
Dip electrode system for monitoring pH
Dip electrode system for monitoring pH, model B28. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/24
- type:
- electrode system
- Image ©
- The Board of Trustees of the Science Museum
Chloride electrode kit
Chloride electrode kit, model 8004-2 in plastic case. E.I.L., Chertsey, Surrey
KCl reservoir
KCl reservoir, model RQ 28. E.I.L., Richmond, Surrey
Electrode switching unit
Electrode switching unit, model C48A (serial no. C84164A). E.I.L., Richmond, Surrey
Specific ion electrode unit
Specific ion electrode unit, model 89 (serial no. 8981 281). Series made by E.I.L.
Two packs of pH buffer powders
Two packs of pH buffer powders
Vibron blood pH meter
Vibron blood pH meter, model 48A (serial no. 481 14A). E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/31
- type:
- ph meter and blood ph meter
- Image ©
- The Board of Trustees of the Science Museum
Portable oxygen meter
Portable oxygen meter, model 1520 (serial no.1520/2577). E.I.L. 1976
Portable electrometer
Portable electrometer, model 37A (serial no. 37179A) for measuring M Rontgen. E.I.L., Richmond, Surrey
Portable electrometer model 37C (serial no. 37161C). E.I.L.
Portable electrometer model 37C (serial no. 37161C). E.I.L., Richmond, Surrey
Portable electrometer
Portable electrometer, model 37E (serial no. 37198E). E.I.L., Richmond, Surrey
Vibron laboratory electrometer converter unit
Vibron laboratory electrometer converter unit, model A33C. (serial no. A33617C). E.I.L., Richmond, Surrey
Vibron electrometer model 33B (serial no. 33713). E.I.L.
Vibron electrometer model 33B (serial no. 33713). E.I.L., Richmond, Surrey
Vibron electrometer model 33C-2 (serial no. 334251C). E.I.L.
Vibron electrometer model 33C-2 (serial no. 334251C). E.I.L., Richmond, Surrey
Vibron electrometer
Vibron electrometer, model 62A (serial no. 62158A). E.I.L., Richmond, Surrey
Direct reading fluorimeter
Direct reading fluorimeter, model 27C (serial no. 142730024). E.I.L., Richmond, Surrey
Direct reading fluorimeter, model 27A-2. E.I.L.
Direct reading fluorimeter, model 27A-2. E.I.L.
Polarograph model 8410 (serial no. 8410/91) E.I.L.
Polarograph model 8410 (serial no. 8410/91) E.I.L., Cambridge
Chronotron, model 25E (serial no. 251325) for measuring reaction times
Chronotron, model 25E (serial no. 251325) for measuring reaction times, E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/43
- type:
- chronotron
Chronotron double pulse unit model D25 (serial no. D25267). E.I.L.
Chronotron double pulse unit model D25 (serial no. D25267). E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/44
- type:
- double pulse unit
- Image ©
- The Board of Trustees of the Science Museum
Chronotron demonstration unit in wooden carrying box. E.I.L.
Chronotron demonstration unit in wooden carrying box. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/45
- type:
- demonstration unit
- Image ©
- The Board of Trustees of the Science Museum
Gammagraph, model 65A. E.I.L.
Gammagraph, model 65A. E.I.L., Electronic Instruments Limited, Richmond, Surrey
Laboratory valve voltmeter
Laboratory valve voltmeter, model 26 (serial no. 26100)
Kilovoltmeter. E.I.L
Kilovoltmeter. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/48
- type:
- voltmeter
Milliohmmeter model 47A. (L serial no. 1624603) E.I.L.
Milliohmmeter model 47A. (L serial no. 1624603) E.I.L., Richmond, Surrey
V.H.R. Megohmmeter resistor unit
V.H.R. Megohmmeter resistor unit, model A31A. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/50
- type:
- meter
Wigan constant resistance divider
Wigan constant resistance divider, model 76A. E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/51
- Image ©
- The Board of Trustees of the Science Museum
Constantan resistance box
Constantan resistance box, model 74C. (serial no. 7426). E.I.L., Richmond, Surrey
Lamp transformer, model D27C (made by E.I.L.)
Lamp transformer, model D27C (made by E.I.L.)
Multiplier, model A26 (serial no. A261). E.I.L.
Multiplier, model A26 (serial no. A261). E.I.L., Richmond, Surrey
Measuring unit
Measuring unit, model C33B-2. E.I.L., Richmond, Surrey
Switching unit
Switching unit, model 6610. E.I.L., Richmond, Surrey
Two electrical testing sets
Two electrical testing sets, 1945, by E.I.L. These are original instruments made when the firm was founded at 17, Paradise Road, Richmond, Surrey
- Object Number:
- 1984-635/57
- type:
- electrical testing set
Multi-range meter
Multi-range meter, model 44A (serial no. 44143) reads decibels, MW & W, ohms, DC and AC., mounted in wooden carrying case. By E.I.L.
Thermostatic control unit
Thermostatic control unit, model TBU 2. (serial no. TBU 2095-2). E.I.L., Richmond, Surrey
Microvac electronic test meter model 22D (serial no. 22706). E.I.L.
Microvac electronic test meter model 22D (serial no. 22706). E.I.L., Richmond, Surrey
- Object Number:
- 1984-635/60
- type:
- electronic test meter
- Image ©
- The Board of Trustees of the Science Museum
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