Cool Best Drone Pictures images

By | January 17, 2018

Some cool best drone pictures images:

Image from page 122 of “The ABC of bee culture: a cyclopaedia of every thing pertaining to the care of the honey-bee; bees, honey, hives, implements, honey-plants, etc., facts gleaned from the experience of thousands of bee keepers all over our land, and
best drone pictures
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Identifier: abcofbeeculturec00root
Title: The ABC of bee culture: a cyclopaedia of every thing pertaining to the care of the honey-bee; bees, honey, hives, implements, honey-plants, etc., facts gleaned from the experience of thousands of bee keepers all over our land, and afterward verified by practical work in our own apiary
Year: 1884 (1880s)
Authors: Root, A. I. (Amos Ives), 1839-1923
Subjects: Bee culture
Publisher: Medina, Ohio
Contributing Library: University of British Columbia Library
Digitizing Sponsor: University of British Columbia Library

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Text Appearing Before Image:
PERFOKATED ZINC FOR F.XCLUDINO DRONES. Zinc is the material generally used, be-cause it is cheap and will not rust. Someattempt was made to perforate tin as above,but it proved to be very unsatisfactory. THE PROPER SIZE FOR THE PERFORATIONS. The oblong holes, as shown above, mustbe of such a size as to pernait the easy pass-age of workers, but exclude not only dronesbut even queens (see Comb Honey andSwarming). It is no great task to makethe perforations drone – excluding ; but tomake them queen – excluding at the sametime, and yet not hinder the easy passage ofworkers, requires a very nice adjustment inthe width of the perforations. The firstsheet of perforated zinc was cut in England,and imported to this country. This hadperforations if5, of an inch in width. Whilethis answered a most excellent purpose, afew claimed that queens would occasionallyget through it. To obviate this, zinc wasmade as below, with the perforations a littlenarrower.

Text Appearing After Image:
zinc avith smaller perforations.The width of this was ^ or y,;;, of aninch. Willie no queen succeeded in gettingthrough this, reports, as well as my own ex-perience, convinced me that this size wastoo narrow. It not only proved to be a greathindrance to the workers when their honey-sacks were empty, l)ut, when gorged withhoney, they were scarcely able, if at all, topass through. Very recently, perforatedzinc has been made in this country after theforeign pattern, but with perforations ex-actly ,]„ of an inch in width, or a trifle smaller than the foreign. Perhaps, myfriend, you think I am splitting hairs; butwhen we come to distinguish between thesize of small queens and the average workerwe must be exact. The reports, as well asour own experience in regard to the perfo-rated zinc as so made, have led us to believethat this size of perforations is about right.Having discussed the proper size of theperforations, we will now consider its use indrone-excluding entrance-guards.If we p

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