今天的台文讀冊會要讀林茂生寫的《教會報》文章——日本帝國海軍潛艦沉沒、全艦官兵全數盡忠。日本帝國海軍第六號潛艦在1910年四月十五日沈沒在廣島附近的吳市海灣，艦上十四名軍官與水手全數罹難。這次事故因為艦長佐久間勉大佐文情並茂的遺書（最後的日誌）廣為人知，也被日本帝國海軍和日本帝國放在教科書裡，培養國民的共同體光榮感與責任感。
當然《教會報》的特色就是每篇的結論都是要信上帝；不過我還是要黜臭/thuh-chhàu作者：我完全看不懂為什麼潛艦會沉啊啊啊！！！
看完這張圖我跟醬滷咖說：
Now I know how a submarine works.
醬滷咖：Ohoh, last time you said you knew how something worked, you built one at IR2 (the lab). Just that last time it was a LArTPC.
然後我還查了到底航海日誌是用什麼材料為什麼不會被浸濕，一直查不到，最後問了ChatGPT:
what was the submarine log made of in 1910?
In 1910, submarine logs were relatively simple compared to modern standards, as they lacked advanced materials or waterproofing technologies. Submarine operations at the time relied on durable but straightforward materials that could withstand the challenging maritime environment to some extent. Here's what they likely consisted of:
### **Materials of Submarine Logs in 1910**
1. **Paper:**
- Logs were typically written on high-quality, durable paper. Although not waterproof in the modern sense, the paper used in maritime environments was often thicker and treated to resist tearing or degradation from humidity.
2. **Ink:**
- Entries were made using ink pens or pencils.
- Pencils were preferred in some cases because graphite (the writing material in pencils) does not run or smear when exposed to moisture.
- If ink was used, it was likely a carbon-based or iron gall ink, which was less prone to smudging but not fully waterproof.
3. **Binding:**
- Logs were bound using leather or canvas covers, both common for protecting books and documents in harsh environments. Leather could offer some water resistance when treated with oils or wax.
4. **Storage:**
- Submarine logs were typically stored in watertight compartments or cases onboard the submarine. These storage containers were made of materials like brass, copper, or other corrosion-resistant metals, which protected the logs from water damage in case of flooding.
### **Limitations in 1910**
While submarine logs from this period were made with durability in mind, they were not entirely waterproof. If a submarine sank or flooded, there was a significant risk of the logs becoming illegible unless they were retrieved quickly and dried carefully. The reliance on pencil writing was a practical measure, as it was more likely to survive immersion than ink.
讀《教會報》不但可以學台語，還可以學潛艦知識唷 XDDDD
