American watchman and Delaware advertiser. [volume] (Wilmington, Del.) 1822-1828, 1825-04-22


Oc,obrr 1894 on the constr ucton oil waller whees.l
In appreciang the merits Of such treatises' regard
will be had to procuring the greatest effect WIN inc
wafer employed, and to freeing the wheels from
back water-a siirer medal. It is important also
that the descriptions should be ineligible 10 COM
mon workmen.
ther printed or manuscrip,) explaining the causes
accidents in steam boilers and the means OF avoid
ing them The dissertation must contain more IN
formation Than is now before the public; It must DC
founded upon experiments, and written IN q clear
and lucid manner-a silver medal
81. To the author Of the best treatise (whetherl
manuscript or printed, since the goth of Oct 1920
on dying cloths-a situer medal.
81 To the maker Of the best and most per'ect
ale beam capable Of weighing at lest 90 pounds
1.-The beam made in the United Slates-a sttrerl
medal.
IS. To the maker OF the best mill or press screw
of wrought ron for the purposes of clohers, prln
tiers, bookbnders Sc. not less than 5-8 inches III
diameter, and of the usual length. 1t must perform
Its revolutions in the box without variation at the
lower end or pressing point. The box to be also OF
wrought iron-a situer medal.
| GA. To the manufacturer in the United States, Of
THE best specimen OF writing paper, in limitation OF
1.-The Bath post-the paper 10 DC equai 70 the pes
Imported "a sirer medal
/ 65 10 the inventor Of the most perfect stopcock.
suitable Tor pumps, and intended to be placed IN
the course OF tube SO as TO open or close the com
municaon through ii. The object OF this premium
is to obtain sopeock that shall answer as well tor
1.-The middle Of tube as the screw and leather do
| for the end of it IA sitrer medal.
| ct. For the best dissertation on the loss oil power
caused by the conversion oil an alternate into roa.
tory motion by means of the ordinary crank--a stt
| pr medal
| e.. To the maker Of the best iron hoops, 9th
| Of an inch wide the requisite qualities to be
,moo,hne and lightness. The maker to exhibit
not less than one Cw, and to give assurance to iur.
oish ,ny gu nifty that may be required, no. exceed
Ing twenty tons, of the same quality, and at price
nol x,eedng 88 rs per hunared-a sitrer medal
6s 10 the person who shall have made in Penn
sylvania the best cast steel rollers, suitable for the
nu poses oil silversmlths-a situer medal.
| 50 Ia the pc, son who shall have made IN the
lUnted States, within the last year. the greatest
lumber o. hydro.tatc presses, (the number not less
than hee) aud who shall furnish the Institute
wrh al accoun, Of their power and OF their price
la sIc2r medal.
| 70 10 the person who shall discover cheaper
mode of making machine cards than those now In
Iuse or who shall discover a mode OF making them
more durable-a sitrer medal
/ n. To The per son who shall have made in Penn
,lvdnIa. during the year ending September l, 1925
] lie largest quaint of lire bricks, equal 10 quality
40 the imported, and exceeding in price five
dollars per 1000 bronsed mpdat
i ~. Tn the prison who shall invent and make
known the hes. substitute for copper The sheath
ling OF ships; the invention to be better than any al
present known and It's merit to have been tested by
,lexperience-d sitcer medal.
! 49, To lie person in the United States W no shall
have made the greatest quantity of chain cables or
ship cham rigging, not less than i've tons-a sitrer
mpdaL
4 "a To the person who shall have made in Penn
Isyyana, the greatest quantity oil sail CLOTH either
of cotton, fax OF hemp; the quantity not less than
Twenty bolts-a silrer medal.
i IS To the person in the United States who shall
have invented an apparatus practically superior to
any now In use Tor heaving up ships anchor-a
lsilrer medal.
76. To the person who shall indicate to the Insti.
lutte method better than any in use, protect tim
Der in ships other works, against the effects oil
81 the dry rot. The process must be such as can be
n appied large scale without too great an ex-
ii pense-a strer medal.
Al II. To the person no shall have made in Penn
;, syvans, the greatest quantity of oil from any
getabr raised in this state. The oil must be Of
quality to be used as substitute for Florence Of
olive oil; the quantity obt ned not to be less thar
, twenty gallons-a silver medal
= rs To the maker of the best mechanics edg,
DOL made in Pennsylvania-a situer medal.
ii 79. To the maker OF the best cast brass cylinde
, Tor calico printng-a sitter medal.
l. 80. To the maker Of the best specimen of shee
brass; not less than twenty sheets be exhibit
- ED sitrer medal.
81 TO the maker of the best brazier's copper
not less than twenty sheets be exhibited, (thirt
"A by sixty inches)-a siluer MEDAL
~ 80. To the maker of the best raised copper DO,
toms suitable for stills boilers. less than thr
inches in diamete,-a siJrer medal
r. IS. To the maker Of hydan that shall be ad
a Judged superior in principle to any now in use
- sitrer mpdal.
= On behalf Of the Institute