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HP 200LX displaying WorldTime with Buddy's overlay
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Waning gibbous moon in early morning sky between tree branches
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Close-up of HP 41CV front panel with model number
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Great blue heron stands on shore of pond near a 'DO NOT FEED Alligators' sign
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HP 41CV calculator on blue background
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Sharp Scientific Computer EL-5500II, power off, on blue background
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HP-21, front with power on against white background, displaying square root of 88
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Texas Instruments TI-35X
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HP 42S displaying 2 lines of data, on blue background
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HP 16C back on blue background
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HP 16C calculator at end of keyboard test displays '16', on blue background
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Bare tree in a field used for parking at Blossom Music Center - clouds and blue sky above
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Atrium glass arched roof of Cleveland Museum of Art
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View along glass wall of Global Health Innovation Center in Cleveland 02
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HP 21S calculator, front, power on displaying '0'
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HP Prime Graphing Calculator
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Dragonflies paired on vertical leaf
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Solder on 1 pound wooden spool
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HP 39gs Graphing Calculator, front, power off, against blue background
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Half-height 5.25 inch hard disk drive with transparent cover, view of head and disk assembly
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HP-48GX calculator
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Digi-matic T-8
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Pacific golden plover standing in grass
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Close-up of Bella, resting in the sun
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Sharp PC-1500A Pocket Computer in CE-150 printer and cassette interface cradle, power off
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Sharp PC_1500A, front, power off
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Philmore crystal detector and the box it came in
