A second embodiment comprises a hyperbolic navigation system, wherein four stations (A), (B), (C) and (D) are situated at the corners of a square, Fig. 7 (not shown), and radiate sidebands at respective frequencies of F10f, F12f, F15f, and F18f. The sidebands are received at ...
just after the turn of the 20th c. they began producing a type "B" triplet apochromat. These were all fairly long focus (~ F12 to F18) objectives and were actually
A second embodiment comprises a hyperbolic navigation system, wherein four stations (A), (B), (C) and (D) are situated at the corners of a square, Fig. 7 (not shown), and radiate sidebands at respective frequencies of F10f, F12f, F15f, and F18f. The sidebands are received at ...
A second embodiment comprises a hyperbolic navigation system, wherein four stations (A), (B), (C) and (D) are situated at the corners of a square, Fig. 7 (not shown), and radiate sidebands at respective frequencies of F10f, F12f, F15f, and F18f. The sidebands are received at ...
F18, calf rearer. “If you [detect illnesses] quickly, then [calves] respond much better to treatment than if you leave them until they’re really sick.” F2, calf rearer. An experienced designated calf rearer, whose time and priorities were focused on calves, was generally considered to...
F18, calf rearer. “If you [detect illnesses] quickly, then [calves] respond much better to treatment than if you leave them until they’re really sick.” F2, calf rearer. An experienced designated calf rearer, whose time and priorities were focused on calves, was generally considered to...