Society of Glass Technology · [Sheffield] · leaf 620
tance between the hot andcold surfaces was constant and theturning moment was independentof the kick, was linear and couldbe read to several complete revolu-tions. The whole could be coveredby a small furnace and heated to420°. Damping was achieved bythe electromagnets, D, andmeasurements were best… … ^m& Fig. 120. half minutes. M. P. 250. A Direct Reading Burette. Albert M. Jackson (J. Opt.Soc. Amer., 1923, 7, 491).—-The device permitted the use of an 1 4 y Fig. 121. ungraduated 50 c.c. burette with blue shellback stripe to givedirect readings on successive small titrations. The burette was…
Glass
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