Note 45 — A CYCLOPÆDIA OF PRACTICAL RECEIPTS, PROCESSES, AND COLLATERAL INFORMATION (continued 7)
Reading edition
An hydrometer specially weighted and graduated for this purpose is called an AMMONIM′ETER, AMMONIOM′ETER, or AMMO′NIA-ME′TER (AMMONIM′ETRUM, AMMONIOM′ETRUM, &c., L.)