rmzom vaisns angina snaad curvc iii an angina oonsnuciad HI acaoidnnna wnh iha prior an. FIG. 6 is n manna anwi anna snawing uia naiionnanaa in naanrdnnca with an :mbodinwm afme invannon. DETAILED DESCRIPTION 011 11-113 PREFERRED 5111130131th15 Raiamng rm in FIGS. 1 ihrongh 3, ma iaiaianca nnniaini 11 indnamas ganaiauy nn inianini annihnsainn angina communal in accotdnnc: wnh an embodimem n1 iha invannnn. 1n 1}]: illuslmmd anihodiinana iha angina 11 is oi iha v" lypc and .naindas n cylindu block 12 having angnhily inclined hanhs 13 and 14.1nahai11nsnniad anihndiniana iha angina 11 in oi iha vn lypc and aaah cylindn bank 13 mid14dahnasahraacyiindai hoias,.swi11ha dasai-ihadjhaayiindaa hoias onhcbhnk 12 mdivpmud nann angia Anti-1m: of [he hnnh 14 and in aha iihmmad ainhcdnnani, iins nngia is 60" ii is (1.1 ha unduswnd, hnwavaa ahai :ha invaniion and canain rams o1 in no useful whh cng'nc or hihai aonhgnmiihns .md anginas in wh h nia nng1a hmwtznm hnnhsisnihanhan ha. 1ha invaniion. howavaa hnn pnmcnhi m w in conjunction wiih v iypa anginan nnd nannanindy damn in whiah n vrry umnw ur iainnvaly shallow cylindar hnnk angla is amp1oyad. The cyhndar hank 13 IS piovidad wiah Ihr== aylindai hoias, :15 has haan noiad, which cy1indai hnias nia shown as cirulcs in FIG 2 and at: idanhhad by iha mpacnve nninaia1s 1s, 1s, and 17 1n a iika manner, iha cylinder unk 14isn1snnnnnad wimduuccylmdcrbumx which are shown "I dicks and which ana idanh'aad hy iha 1':me numunls 1x, 19nnd 21. Pismm 22 (FIG 2) nna rmlpmually nnnponad "I each of aha cylindan hoiaa 1s ihiongh 19 and 21 and nia connwled lo a cinniahnn (n01 shown) innhnown innnnai ns by 11mm inahnhng cnnnaann; mdx A ay1indai hand, indicated ganaiauy by iha iaiaianca nnanaini 23, is airixad in s known innnnai 1n 1ha cylindcr bulk 12 in a like mannai. a cylindax hand. Indicated ganaiany by iha iararanca nnniaini 24, is mm m aha cyundai hnnk 14. Ench ayh'ndaa hand 22 and 241m nmxwl cwity 25 tonnad ihaiaininr each n1 iha cyiindaa ham. Tha anviiias 25. pismns 22 and cylindai hoia; 15 ihiongh 19 and 21 roam ma coinhnsnon ahninhans oi aha angina and ma iarainnaa nnniaiais 25 will ha, a1 limes. iaianad m as 1ha combusunn nhaos, Tha ainnhnsnon chambers 25 am ganarauy hamishhancal in shapa mid aach chnnahaa is ninvidad wiih n pain of axhanai naesngas ionnad m aha iasnunva ayiindai hand 23 c. 2A which extend 1min 1ha ahnnihais 25 and which madupmilmcnvpzmt: with iacpeciiva uhnnsn innnirolds 26 and 27. Thasa axhnnsa passages aia idaniiad by ma raiaranaa numeral 23 and m shown nn1y In FIGS. 2. Exhaust valves 29 na mymmlly snnnmiad in aaah oi aha cylindai hands 23 and 24 and oohnni iha communicnnnn ninhaayiindaahmd anhnnni nnssngan 21 win. the cinnhns *ani chambsZS niaaxhannivaivac 29 mined wiah anch ayh'ndai hoia 1s mmugh 19 and 21 na hpainiad in nnishn in n xumshlc manntr an by manna n1 an nvanhaad innnnind annishnh (hni show! On aha oghnsha sidas of ma hamisphaia iioni aha anhnnsi vvm 29, inc cylindcr nanin 23 and 24 nia provided whh n pair of inenka nansngan 21 and 32 [or anch chninhaazs 111a nnnsngan 21 Icnnilmk: at an "1ch vulva 22 whiia the pasxagbs 32 canninnra a1 an imak: vaiva 34 Tha poninn of aha pnssngas 31 and 32 which axaand lhmngh iha naapacaiva cylinder heads 22 and 24 aia subxtnnlmlly idannaai in aonshnciinn axcagi ns haiainnnai nomi nnd may anch iaannnna in n generally hunzunmlly :xlcndlng wrfacc 2s ni Lh: mspeclive cylindai hand Tha xntak: valvcx 22 and 34 are. 1iha inc axhansi valvas 29, opan-niad by maans of {cspcive ovaahand monniad cninshnhs 35. anch innnanan fur nnnnon in ma nannnanva cyhndar had 23 or 24 in a knuwn manner. The innaka cninshnns 3h hnva inhas 37 mm cmpcr nea wad-i iniinh1a iagnais 211 an n: in nparaia aha vaivan 33 and 34 in a known manner. Cnii annipnancinn springs 39 are provided for niging iha valves 33 nnd 34 inward inan ciao-ad pinincns As may ha ianddy aaan {min FIG. 2 ma ayhndaa hand inmke nnssngaa 21 nod 32 le hcpamlcd hon. anch nuiac hy n hcnndniy wsii 41 Ihal axiandn from 1ha valve naars and for a ponion n1 aha 1angih nf iha pnssngas 31 and 22. Huwevcli unis wn11iaan-iinnias Short oriha :ylmdct hudlacz 35 sons 1o provide annnon aian 42 n1 hmhad 1angih ahanngh which iha onasngas 21 nnd 22 inny acininnniania whh anch oihai. inanaanann annadnaianad In his Pnj! 12