Inscription: Inscribed on central plaque, painted on astrolabe: MARS/ AVRIL/ MAI
Inscribed on thermometer scale, at top: THERMOMETER/ FAHRENHEIT
Inscribed on scale, on both sides of thermometer: Fever/ heat, Blood/ heat, Sumer/ heat, Tempe/ rate, Freez/ ing
Scratched on front plate of clock movement: Cleaned by G. Boakes 26-10-1890; G. F> Imes 9-98.
Marking: Painted in underglaze blue enamel on underside of central plaque:  Crossed L's enclosing k (Sèvres factory mark and decorator's mark for Charles Nicolas Dodin);  L beneath Sèvres mark (probably date letter for 1764)