Sure, here's a version with improved grammar and an organized steam pressure table.

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[...] number corresponding to this, take the multiplier opposite to it and multiply the full pressure of the steam per square inch as it inters the cylinder by it. 

TABLE OF MULTIPLIERS BY WHICH TO FIND THE MEAN PRESSURE OF STEAM AT VARIOUS POINTS OF CUT-OFF:
| Expansion | Multiplier | Expansion | Multiplier | Expansion | Multiplier |
|-----------|------------|-----------|------------|-----------|------------|
| 1.0       | 1.000      | 3.4       | .654       | 5.8       | .479       |
| 1.1       | .995       | 3.5       | .664       | 5.9       | .474       |
| 1.2       | .985       | 3.6       | .634       | 6.        | .470       |
| 1.3       | .971       | 3.7       | .624       | 6.1       | .466       |
| 1.4       | .955       | 3.8       | .615       | 6.2       | .462       |
| 1.5       | .937       | 3.9       | .605       | 6.3       | .458       |
| 1.6       | .919       | 4.        | .597       | 6.4       | .454       |
| 1.7       | .900       | 4.1       | .588       | 6.5       | .450       |
| 1.8       | .882       | 4.2       | .580       | 6.6       | .446       |
| 1.9       | .864       | 4.3       | .572       | 6.7       | .442       |
| 2.        | .847       | 4.4       | .564       | 6.8       | .438       |
| 2.1       | .830       | 4.5       | .556       | 6.9       | .434       |
| 2.2       | .813       | 4.6       | .549       | 7.        | .430       |
| 2.3       | .797       | 4.7       | .542       | 7.1       | .427       |
| 2.4       | .781       | 4.8       | .535       | 7.2       | .423       |
| 2.5       | .766       | 4.9       | .528       | 7.3       | .420       |
| 2.6       | .752       | 5.        | .522       | 7.4       | .417       |
| 2.7       | .738       | 5.1       | .516       | 7.5       | .414       |
| 2.8       | .725       | 5.2       | .510       | 7.6       | .411       |
| 2.9       | .712       | 5.3       | .504       | 7.7       | .408       |
| 3.        | .700       | 5.4       | .499       | 7.8       | .405       |
| 3.1       | .688       | 5.5       | .494       | 7.9       | .402       |
| 3.2       | .676       | 5.6       | .489       | 8.        | .399       |
| 3.3       | .665       | 5.7       | .484       |           |            |

[Page] 52

HAND-BOOK OF LAND AND MARINE ENGINES.
แน่นอนว่านี่คือเวอร์ชันที่มีการปรับปรุงไวยากรณ์และตารางแรงดันไอน้ำที่จัดระเบียบไว้ --- [...] ตัวเลขที่ตรงกับค่านี้ นำตัวคูณที่อยู่ตรงข้ามกับค่านั้น แล้วคูณความดันไอน้ำเต็มต่อตารางนิ้วที่ไอน้ำอยู่ระหว่างกระบอกสูบ ตารางตัวคูณที่ใช้ค้นหาความดันเฉลี่ยของไอน้ำที่จุดตัดต่างๆ: | การขยายตัว | ตัวคูณ | การขยายตัว | ตัวคูณ | การขยายตัว | ตัวคูณ | |----------|------------|-----------|------------ |----------||------------| | 1.0 | 1.000 | 3.4 | .654 | 5.8 | .479 | | 1.1 | .995 | 3.5 | .664 | 5.9 | .474 | | 1.2 | .985 | 3.6 | .634 | 6. | .470 | | 1.3 | .971 | 3.7 | .624 | 6.1 | .466 | | 1.4 | .955 | 3.8 | .615 | 6.2 | .462 | | 1.5 | .937 | 3.9 | .605 | 6.3 | .458 | | 1.6 | .919 | 4. | .597 | 6.4 | .454 | | 1.7 | .900 | 4.1 | .588 | 6.5 | .450 | | 1.8 | .882 | 4.2 | .580 | 6.6 | .446 | | 1.9 | .864 | 4.3 | .572 | 6.7 | .442 | | 2. | .847 | 4.4 | .564 | 6.8 | .438 | | 2.1 | .830 | 4.5 | .556 | 6.9 | .434 | | 2.2 | .813 | 4.6 | .549 | 7. | .430 | | 2.3 | .797 | 4.7 | .542 | 7.1 | .427 | | 2.4 | .781 | 4.8 | .535 | 7.2 | .423 | | 2.5 | .766 | 4.9 | .528 | 7.3 | .420 | | 2.6 | .752 | 5. | .522 | 7.4 | .417 | | 2.7 | .738 | 5.1 | .516 | 7.5 | .414 | | 2.8 | .725 | 5.2 | .510 | 7.6 | .411 | | 2.9 | .712 | 5.3 | .504 | 7.7 | .408 | | 3. | .700 | 5.4 | .499 | 7.8 | .405 | | 3.1 | .688 | 5.5 | .494 | 7.9 | .402 | | 3.2 | .676 | 5.6 | .489 | 8. | .399 | | 3.3 | .665 | 5.7 | .484 | | | [หน้า] 52 หนังสือมือของเครื่องยนต์ทางบกและทางทะเล
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