Griffin of London
probably Griffin & Sons...
Redwood viscometer Serial No. 2730 made by Griffin (viscometer)
Standard resistance, 100 ohms, by Griffin, London
Gilt Sikes hydrometer by Griffin, bearing serial n (hydrometer; Sikes hydrometer)
Rubens' linear thermopile fitted with removable re
Conical flask, Erlenmeyer type, with rubber bung a (conical flasks)
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