![Plants; a text-book of botany. Botany. 112 PLANT RELATIONS.. Fig. no. A pollen grain (spore) from the pine, which develops wings (w) to assist in its transportation by currents of air. Plants; a text-book of botany. Botany. 112 PLANT RELATIONS.. Fig. no. A pollen grain (spore) from the pine, which develops wings (w) to assist in its transportation by currents of air.](https://c8.alamy.com/comp/RDWBPK/plants-a-text-book-of-botany-botany-112-plant-relations-fig-no-a-pollen-grain-spore-from-the-pine-which-develops-wings-w-to-assist-in-its-transportation-by-currents-of-air-it-is-evident-that-for-the-germination-of-seeds-light-is-not-an-essential-condition-for-they-may-germinate-in-the-light-or-in-the-dark-but-the-need-of-heat-moisture-and-oxygen-is-very-apparent-the-amount-of-heat-re-quired-for-germination-varies-widely-with-different-seeds-some-germinating-at-much-lower-tempera-tures-than-others-every-kind-of-seed-or-spore-or-egg-has-a-special-temperature-range-bel-RDWBPK.jpg)
Plants; a text-book of botany. Botany. 112 PLANT RELATIONS.. Fig. no. A pollen grain (spore) from the pine, which develops wings (w) to assist in its transportation by currents of air.
![Seedsmen . , through which may be seenthe thermometer and eggs, without the exposure of opening. Allsheet metal work, pipes, pan and tank, is constructed of bestgalvanized iron. The regulator is made Seedsmen . , through which may be seenthe thermometer and eggs, without the exposure of opening. Allsheet metal work, pipes, pan and tank, is constructed of bestgalvanized iron. The regulator is made](https://c8.alamy.com/comp/2AKTJK2/seedsmen-through-which-may-be-seenthe-thermometer-and-eggs-without-the-exposure-of-opening-allsheet-metal-work-pipes-pan-and-tank-is-constructed-of-bestgalvanized-iron-the-regulator-is-made-of-brass-application-of-heatthe-first-essential-to-successful-incu-bation-is-proper-application-and-regulation-of-heat-the-nearestpractical-approach-to-natures-method-which-is-by-contact-issecured-by-radiation-of-heat-from-above-no-bottom-heat-beingapplied-in-either-case-the-distribution-of-heat-is-secured-inthe-following-manner-the-lamp-is-situated-at-the-end-of-themachine-the-chimney-e-2AKTJK2.jpg)
Seedsmen . , through which may be seenthe thermometer and eggs, without the exposure of opening. Allsheet metal work, pipes, pan and tank, is constructed of bestgalvanized iron. The regulator is made
![Egg-Hatcher, or Eccalobeon. Fig. 43 represents an egg-hatcher or Eccalobeon, made of different sizes, with shelves so arranged as to hold from 200 to 800 eggs without touching each other. The Egg-Hatcher, or Eccalobeon. Fig. 43 represents an egg-hatcher or Eccalobeon, made of different sizes, with shelves so arranged as to hold from 200 to 800 eggs without touching each other. The](https://c8.alamy.com/comp/MCKMJB/egg-hatcher-or-eccalobeon-fig-43-represents-an-egg-hatcher-or-eccalobeon-made-of-different-sizes-with-shelves-so-arranged-as-to-hold-from-200-to-800-eggs-without-touching-each-other-the-outer-box-is-a-non-conductor-so-as-to-retain-the-heat-conveyed-to-every-part-by-water-tubes-connected-by-a-reservoir-below-the-bottom-of-which-is-heated-by-the-flame-from-a-spirit-lamp-the-temperature-is-indicated-by-a-thermometer-on-the-door-in-side-which-should-be-made-equal-to-that-of-the-hen-say-about-106-fahrenheit-her-natural-temperature-is-somewhat-ele-vated-by-the-feverish-condition-of-MCKMJB.jpg)