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Click Here To Edit General Instruments &c.
Receptacles of the subjects of experiment. - they should be transparent
Glass - Florence flasks, - Confectioners glasses - Vials. &c.
nests of glasses - by ye musical glass makers
Closings - 1. Water Stopple on the lip. 2. do. with an oil covering
3. Bladder tied down upon neck with a waxed thread to
bite upon.
Barrels - Earthen ware.
Labels to be affixed to each vessel: with numbers.
Thermometers: & thermoscopes. (note on Rumford's Essays)
principles - fusion - expansion - saturation -decomposition.
1. Fusion of Beeswax 142o of Spermaciti
Coagulat.n of serum 156o of Tallow
Alcohol boils - 174o or 176o Acetite of ammonia melts 170o. sublimes 250o. Higgins (on Acetoni Acid
(p.192
Acetate of potass melts Er? Ether boils at 98o.
2. Expansion. 1o. Direct, Common thermometers {Archaic symbol for mercury}, water, alcohol, water, oil
Air thermometer, with rarefied air or vapour
filled by inverting over first filling with {Archaic symbol for mercury}
inverting over a barometer tube; then introducing
air & raising the tube: then closing it
with the blow pipe.
The scale might easily be enlarged
ad libitum by making the tube wider
& adding a horizontal tube
{Three sketched drawings depicting the contrivances.}
Identifier: | JB/106/067/002 "JB/" can not be assigned to a declared number type with value 106.
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106 |
frigidarium |
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067 |
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002 |
preservation of uniformity & steadiness of temperature |
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copy/fair copy sheet |
4 |
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recto |
f4 / / / |
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fr4 |
pot 1796 |
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fc6 |
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1796 |
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includes drawings |
34655 |
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