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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0019
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IHC P R E F A C. F
As cochie Delcripeion of che Mathematical and Philosophical Instruments 5
Tome of chem (as che most uletul) are largely done, bur che ochers a5
brietty: For as ic rouldhare raken up a larse Volume eo hare described
chem all; Cofor many olchem, che Reader vould noc have been mucti
chebeccer. Buc che Globes and Quadrants are largely ereaced ot, 25 arC
Telescopes, Microscopes, Daroscopes, Fycroscopes, and che Pneumatick. Engines,
Or sir. Pumps; becanse cheleare oF vast Dle and Beretre co Mankind, and
have serred eo improre andraise up che Knomledse ol Nacure eo chae
8oodheiphe ic is nou arrived co, and Lhope will carrys ic yec much
Turcher.
And asI hare ulually calen particular care to sire all Auchors cheir
just duo, trom whom lhare caken any considerable pare of my Mncerialo,
wichouc Parrialier, (o l hare delignedly done Jultice co luch Ingenious
and Industrions Arciticers, a5 do cruly deserve che greatest Encourase.
menc tor cheir Still and Accuracy in che makins ot chole instrumenes:
Such are MIr. John Romley, Mathematical Instrument maker, under SE. Dun-
stan S. Church in Fleet street: MIr. Tarwell, and Mr. Marstrab, Perspective Ma-
ters in Ludeate street: Mr. Flawkesbee, Who makes Sir- Pumps and aII Pneu
marick. Engines, in Ciltspur- street near West. Smithfield: And MI. Jobn Patrick,
che Torricellian Operator in the OId. Bailey, Whro makces aIIKinds ot Barome-
ters and Thermometers; 25 y ou will fnd Lhare done in the proper Places:
And I cant here omit mentionins che Ingenious NC. Wilson, Which L
could noc do in cheBook, becaule chole Stieers aboutche Microscope vere
Princed of betore Phad Scen Mr. Wilson or his Olases: Buc l’must noW
do him chat Justice eo Pay, Thac of all che Microscopes Thave ever seen
for Commodiounels, rarious Uses, Portabiliey and Cheaprels: I ne-
ver met wich any chins like Mr. Wilsons Cilasses. They are parcicularty
described in che Philosophical Transactions, Z.
AStoche Lam Part oFchis Dictionary, L did my selF actually consule
che best Bools and Dictionaries I could set recommended eo me; and
From thence I cranseribed abridoedy all chac seem d necellary co be in-
serced here; and lince chac Phare had ic caretully examined and correct
ed bya Gentleman ot knovn Abilicy in thac Protession.
and chus havins siren vou à Phorr Accoune ot irhac vou may expect
eo tind in ehis Work, and intich may perhaps Patistre che Reader chac
ic is a B00k uletul eo be read carefully over, 25 Wvell as tobe consulced
likce orter Dictionaries occationally: P Call nexe fairly acquaine you
iherein ic is delecrire, and what improvemenes may be made of it
hereaster, in an additional Volume.
The Caralogue, Riehe Ascensions, Declinarions, esc. oF che Fixed.
Stars, is very impertect; che Reason oE which is, ThaE NC. Flamstede,
uxon whom P choushe Imighe depend, was pleased co retule me any
Communicarion ofchac kind; else Lould have siren chole chines un.
der che Name ol each Scar or Constellation.
A L LC