PDF Books in Scientific Instruments 30t5g
John H. Robinson 3x6g57
Old Time Nautical Instruments is an exploration of nautical instruments used by Voyagers and explorers like Columbus. This book is compiled by John H. Robinson, Curator of the Marine Room, Peabody Museum, Salem. This book contains illustrative images of nautical instruments of Sixteenth Century to seventeenth century. Some of the instruments which .. 2m2a68
William Gaertner 595o5k
In the following pages we have endeavored to give to our customers an idea of the line of astronomical instruments of the latest and most improved types which we have constructed for some of the leading observatories as mentioned in the text. We feel that this series of illustrations may not only be of general interest, but also of service in helpi..