Who did the first aerial crop-dusting-mechanized agricultural farming? Aerial Crop-Dusting The first AERIAL CROP-DUSTING was carried on behalf of the Ohio Agricultural Experimental Station by Lt. John B. Macready using a Cruise JN6 light aircraft to dust 6-acre catalpa grave infested with leaf caterpillars, at...
Which was the advertisement with attractive photographic illustrations published in print media?
Which was the advertisement with attractive photographic illustrations published in print media? Advertisement, Photographically Illustrated ADVERTISEMENT of Harrison Patent Knitting Machine Company of Portland Street was the first photographically illustrated advertisement to be published. It was carried in the Parrot a popular humorous magazine...
Which was the first nation in the world to legalize abortion by law?
Which was the first nation in the world to legalize abortion by law? The USSR under a decree of 1920 was the first nation to legalize.
Who was the first to classify the human blood group systems on the form which is now widely accepted in the medical practice internationally?
Who was the first to classify the human blood group systems on the form which is now widely accepted in the medical practice internationally? The Austrian-born American biologist Karl Landsteiner in 1901 was the first to classify the human blood group system-ABO BLOOD GROUPS. The...
Who were the early users of abbreviations?
Who were the early users of abbreviations? The early use of the ABBREVIATIONS were found in the ancient Greek inscriptions e.g. DN for Dominus Noster and the Quran (Medieval MSS).