Inferential water meter
Water meter with feed hoses
1851
Frager's positive water meter, sectioned
Lacoste water meter
Half inch Sporton water meter, sectioned
Electronics for a Plessey Current Meter, 1976
1976
Plessey Current (Water) Recording Meter, 1976
1976
Magnetic inferential water meter
Water Meter made by the Manchester Water Meter Company
"Star" disc water meter, sectioned
Half inch M.2 water meter, mechanism exposed
Frager's patent positive water meter
1878