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A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
HP Essential is a trademark used by Hewlett-Packard (later HP Inc.) to denote their entry-level, inexpensive laptops using the Microsoft Windows operating system, produced since 2009. Products under the "Essential" moniker include the HP Laptop series [ 1 ] and HP Notebook series, as well as products simply branded as "HP".
Following HP's acquisition of Compaq in 2002, this series of notebooks was discontinued, replaced with the HP Pavilion, HP Compaq, and Compaq Presario notebooks. The OmniBook name would later be repurposed for a line of consumer-oriented notebooks in 2024, replacing the old Pavilion and Spectre series of notebooks.
HP PPS Australia Pty Ltd Tower Software Engineering Pty Ltd Austria: HP Austria GmbH Bahrain: Aptitude Management Consulting W.L.L. HP France SAS, Bahrain Branch Belgium: Hewlett‑Packard Industrial Printing Solutions Europe BVBA HP Belgium BVBA Bermuda: HP Bermuda Holding One L.P. Phoenix Holding L.P. Polaris Holding One L.P.
The HP ProBook is a line of laptop computers made by Hewlett-Packard since 2009, [1] marketed to business users but with a list price lower than that of HP's higher-end EliteBook series. [ 2 ] History
A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...
HP ZBook is a brand of mobile workstations made by HP Inc. Introduced in September 2013, [3] [4] as the portable variant of the HP Z workstations, it is a successor to HP's previous mobile workstations in the HP EliteBook series. The ZBook mainly competes against PCs such as Dell's Precision and Lenovo's ThinkPad P series.
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Disposable batteries (1 C, 11 P) Dry cell batteries (1 C, 2 P) M.