Agricultural Imp
Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17
作者：Schlebecker, John T.
体例：段 章数：6
字数：137,303 来源：Project Gutenberg
版本与结构
- 来源版本
- 本站收录 1 个来源：Project Gutenberg（137,303 字）。
- 分章依据
- 按「段」标记切分为 6 段（Gutenberg 卷册标记）。
- 篇幅分布
- 平均每段 22,883 字；最长 Also, the tractor sharply reduced labor needs for the major （39,981 字），最短 Fairhead, R. C., donor, 22（17,206 字）。
- 原文溯源
cache/epub/27327/pg27327.txt（Project Gutenberg）
章节目录
共 6 段- Also, the tractor sharply reduced labor needs for the major
- 61. Knife, 1879. USNM 130572; 1942. Butcher's tool. Gift of
- 136. Flop-Over Hay Rake, about 1895. USNM 213356; 1958. A ra
- 224. Model of John Deere Tractor, 1960. Received in 1961. An
- 354. Steel Otter Trap, 1876. USNM 4772; 1966. This trap has
- Fairhead, R. C., donor, 22